Ipswich v Norwich: Arrests after 'old farm' football derby
Several people who "appeared to be set on causing trouble" were arrested at Sunday's derby match between Ipswich Town and Norwich City, police said.
The arrests were for offences including suspected drugs possession, affray and having lit flares inside Ipswich's Portman Road ground.
Several people treated for the effects of the flares had now recovered, Suffolk Police said.
The result of the Sky Bet Championship match was a 1-1 draw.