More than 150,000 migrants have crossed the Channel in the last seven years since current records began, according to analysis by the PA news agency.
This is how events have unfolded since the start of the Channel migrant crisis:
– 2018
December 28: Home Secretary Sajid Javid breaks off his holiday and declares a “major incident” in the Channel following an upsurge in small boat crossings, with at least 221 migrants attempting the voyage since the start of November.
– 2019
January 24: Mr Javid and his French counterpart, Christophe Castaner, announce a joint action plan aimed at halving the number of successful crossings over the summer and reducing it to an “infrequent phenomenon” by spring 2020.
It includes more than £6 million for new security equipment such as CCTV and night goggles, increased beach patrols and intelligence sharing, and a commitment to conduct return operations as quickly as possible.
August 9: A 31-year-old Iranian woman, Mitra Mehrad, becomes the first migrant known to have drowned while attempting the crossing after falling from a dinghy.
August 23: Prime Minister Boris Johnson warns migrants “we will send you back” after almost 100 attempt the crossing in the space of 24 hours.
– 2020
July 12: Home Secretary Priti Patel and French interior minister Gerald Darmanin announce a new joint intelligence cell to counter the people-smuggling gangs as 180 migrants make the crossing – the highest number to date on a single day.
September 26: The Home Office announces plans to acquire two jet skis to try to stop the migrant boats after a new record of 416 migrants make the crossing in one day.
October 27: A family of five, including three young children, drown after their boat capsizes in the Channel.
November 28: Ms Patel and Mr Darmanin announce a new joint operational plan with more French police patrols and the deployment of cutting-edge surveillance and detection technology.
December 31: At least 8,466 people arrived in small boats in the course of 2020, quadruple the number of the previous year.
– 2021
March 24: Ms Patel says she will “consider all options” to offshore processing of asylum claims to third countries as she sets out plans to overhaul the immigration system.
November 11: 1,185 migrants take advantage of the unseasonably mild weather to make the Channel crossing – a new record for a single day.
November 15: Ms Patel and Mr Darmanin issue a joint statement vowing to prevent “100% of crossings”, making the Channel route “unviable” for migrants.
Ms Patel is disinvited from a meeting of European interior ministers following a diplomatic row between Mr Johnson and French President Emmanuel Macron over the response to the tragedy.
December 31: The total number of arrivals for the year is 28,526.
– 2022
April 14: Mr Johnson announces a plan to deport migrants arriving in small boats to Rwanda for their claims to be processed, saying it would act as a “very considerable deterrent”.
June 15: The first deportation flight to Rwanda is cancelled just minutes before take-off following a ruling by a judge at the European Court of Human Rights in Strasbourg.
August 23: The Ministry of Defence says 1,295 migrants made the crossing in 27 boats, another new record.
August 25: Ms Patel announces an agreement with the Albanian government to curb the numbers of migrants from that country amid concerns they account for 60% of all those arriving in the UK.
October 31: New Home Secretary Suella Braverman prompts uproar in the Commons when she describes the numbers of migrants arriving in the UK after crossing the Channel as an “invasion on our southern coast”.
November 14: Ms Braverman signs a new agreement with Mr Darmanin allowing British officers to join French beach patrols.
November 23: Admitting the Government has “failed to control our borders”, Ms Braverman tells MPs they are determined to “fix” the problem, following criticism of overcrowding at the Manston processing centre in Kent.
December 14: Four people die while 39 others are rescued after their dinghy capsized in the Channel.
December 19: The High Court rules the Government’s Rwanda policy is legal but orders the cases of the first eight deportees to be reconsidered.
Campaigners later take the case to the Court of Appeal.
December 31: 45,774 migrants made the Channel crossing over the course of the year, according to Government figures.
– 2023
January 4: Prime Minister Rishi Sunak announces that legislation to tackle the migrant crisis is one of five key priorities for his premiership.
March 7: Ms Braverman tells MPs the Illegal Migration Bill will impose a legal duty to remove those arriving in the country illegally, barring them from claiming asylum in the UK.
March 29: The Government unveils plans to house asylum seekers on disused military bases, ferries and barges in a bid to cut spending on hotels.
April 26: The Home Secretary says migrants crossing the Channel have values “at odds” with British norms and are linked to “heightened levels of criminality” – comments which are condemned by Labour.
May 25: Figures show the asylum backlog has hit a new record high with more than three quarters of claims made by people who crossed the Channel since 2018 still awaiting a decision.
June 5: Mr Sunak insists his plan to stop Channel crossings is “starting to work” but plays down suggestions that fewer arrivals were a result of poor weather conditions at the time of year rather than policy decisions.
June 29: The Home Secretary lashes out at “phoney humanitarianism” hindering efforts to stop Channel crossings as the Government loses the latest legal battle over its plans to send migrants to Rwanda after a Court of Appeal ruling.
July 10: MPs learn the Home Office is paying for thousands of empty hotel beds reserved for migrants to avoid overcrowding at processing centres.
July 12: The first asylum seekers arrive at former RAF airbase Wethersfield Airfield in Essex as it is brought into use as accommodation. Legal action is brought against the plans.
July 13: The Government is given the go-ahead to take the legal battle over its Rwanda deportation policy to the Supreme Court.
July 20: Despite condemnation from campaigners, sweeping asylum reforms under the Illegal Migration Bill become law after being given royal assent and being made an Act of Parliament. But it is unclear when the new rules will come into force.
The number of migrants crossing the Channel tops 14,000 for the year so far.
July 27: Ms Braverman buys marquees to sleep 2,000 asylum seekers on disused military sites in a bid to avoid using hotels ahead of an expected surge in Channel crossings.
July 28: It emerges plans to move 2,000 migrants into RAF Scampton in Lincolnshire – which is subject to a legal challenge – have been delayed until October.
August 1: Figures show the average number of migrants crossing the Channel per boat in July (52) was the highest on record for any month since records began in 2018.
August 5: Mr Sunak announces a plan for social media firms including Facebook, TikTok and Twitter to team up with the National Crime Agency to crack down on people smugglers’ posts encouraging asylum seekers to cross the Channel.
Meanwhile, official figures confirm more than 50,000 migrants are living in hotels.
August 9: The Home Office announces that the UK and Turkey have struck a new deal to “disrupt and dismantle” people-smuggling gangs in a bid to tackle the surge in illegal migration.
August 11: The number of Channel crossings since 2018 passes the 100,000 mark.
November 15: Five justices at the Supreme Court rule that the Rwanda deportation policy is unlawful. Mr Sunak vows to do “whatever it takes” to stop small boat crossings.
The Government insists it has been working on contingency measures and promises a treaty with Rwanda within days along with emergency legislation in Parliament.
December 4: Having taken charge of the Home Office in the wake of Ms Braverman being sacked, James Cleverly flies to Kigali to sign a new treaty as speculation swirls about whether the UK has agreed to pay more money to Rwanda to strike the deal.
December 27: Figures show migrants did not cross the Channel over the Christmas period for the first time since current records began.
December 31: 29,437 migrants arrived in the UK after crossing the Channel in 2023, according to Government figures, down a third on the previous year.
– 2024
June 24: The number of migrants arriving in the UK after crossing the Channel hits a new record for the first six months of a calendar year (12,901).
June 26: The number of migrants who have made the journey since Mr Sunak became prime minister passes 50,000.
July 6: At his first press conference since entering Number 10 after Labour won the election, Prime Minister Sir Keir Starmer said the scandal-hit Rwanda deportation plan brought in by the former Conservative government was “dead and buried”.
July 23: The Government announces it will end the use of the Bibby Stockholm barge for housing migrants off England’s south coast as part of an overhaul of the asylum system.
September 17: Figures show more than 10,000 migrants have arrived in the UK after crossing the Channel since Labour won the general election.
October 25: The number of migrants arriving in the year so far topped 29,000, including 500 arriving in a single day.
November 1: Figures show more than 5,000 migrants arrived in the UK after crossing the Channel in October, making it the busiest month of the year so far.
December 5: The Prime Minister repeated promises to cut immigration in a speech setting out his “plan for change” but stopped short of setting any targets. Immigration did not feature in six “milestones” he announced so voters could “hold our feet to the fire”.
December 15: Ms Cooper said the Government had a moral responsibility to tackle Channel crossings but refused to set a deadline on when a target to see the numbers fall “sharply” would be met, during a visit to Italy where she met with the country’s prime minister Giorgia Meloni to discuss migration.
December 27: The number of Channel crossings to the UK recorded since the start of 2018 hits 150,000.
