Manchester City and Manchester United went toe-to-toe for a place in the Carabao Cup final at a time when both sets of fans are under scrutiny.
Here, the PA news agency sums up the issues and the atmosphere inside the Etihad Stadium on Wednesday evening.
Manchester City

Manchester United
Some chairs & other missiles appear to have been thrown from the away end toward home fans pic.twitter.com/Voy4fQroy2
— Simon Peach (@SimonPeach) January 29, 2020
Overall
Less than 10 minutes remaining, will this be the only goal of the game? #EFL | #CarabaoCuppic.twitter.com/sA50sfQ1e6
— Carabao Cup (@Carabao_Cup) January 29, 2020

