Newcastle United says it is "embarrassed and appalled" by a minority of its "so-called fans", who were involved in disorder after the Tyne-Wear derby last night.
Rocks, bottles and firecrackers were thrown at police after the Magpies lost 3-0 to Sunderland - and one man apparently tried to attack a police horse.
You can watch Lucy Taylor's full report below.
Police have released a breakdown of those arrested before, during and after Sunday's derby match as they continue to appeal for information.
Newcastle United have released a statement saying they are "embarrassed and appalled" by the behaviour of fans who clashed with police.
A police horse seen being punched by a football fan is "safe and well" this morning, its police force said.