Police review Ipswich Town's match with Norwich City
Suffolk Police has launched an internal inquiry into how it handled Ipswich Town's clash with Norwich City.
Norwich City lodged a complaint with the police after hearing from supporters who missed the start of the match at the Portman Road stadium.
They were held back by police near the ground when opposing fans began throwing missiles.
Nineteen people were arrested at the match and 13 ejected from the ground.
A police spokesman said: "We will be examining the planning that went into the policing operation as well as focusing on the way in which travelling supporters were dealt with prior to the kick-off.
"We hope to conclude our report before the end of May, but will be meeting with club officials in the next seven days in order to agree the parameters of the inquiry."
Norwich City chief executive David McNally had said he was "really disappointed" by the police's treatment of fans.