article_snippet.sent: It shows police on horseback on the forecourt behind the away section struggling to keep the two sets of rival fans apart.
article_snippet.sent: A Greater Manchester Police spokesman said that they would examine video evidence with both clubs to determine whether further action was necessary.
article_snippet.sent: A Greater Manchester Police spokesman added: 'GMP would like to again stress that the overwhelming majority of fans in attendance behaved impeccably but any reports of offensive chanting, gestures or remarks will be investigated by officers to establish whether any criminal offences have taken place.'
article_snippet.sent: Inside the ground, as revealed by Sportsmail, a handful of fans of Manuel Pellegrini's side were thrown out by stewards after being accused of making aeroplane gestures mocking the crash.
article_snippet.sent: Police made eight arrests at the derby and praised the behaviour of the overwhelming majority of the 76,000 sell-out crowd.
article_snippet.sent: City have worked long and hard to cut out such chants and references.
article_snippet.sent: A City spokesman said: 'We are currently liaising with Greater Manchester Police with regards to the behaviour of a small number of City fans at yesterday's game.
article_snippet.sent: We operate zero tolerance policies with regards to incidents of this kind and the club will work will work with GMP to assist with their queries and deal appropriately with anyone found to have committed an offence of this nature.'
article_snippet.sent: Greater Manchester Police could not be reached for comment.