Newcastle United say that the club is embarrassed and appalled by fans involved in disorder after the defeat to Sunderland.
Tempers flared and three police officers were injured.
More than 30 people have been arrested.
You can watch the full report from Lucy Taylor 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.