Police have fined football fans involved in "violent" disorder during Burnley's friendly match against German club Hannover 96 which was abandoned.
Trouble broke out between both sets of fans at Turf Moor on 5 August 2017 which caused £9,000 of damage, Lancashire Police said.
Twelve Hannover 96 fans have been fined and another was cautioned.
Three Burnley fans have received a caution while two others were referred to the youth offending team.
A police officer was taken to hospital with a head injury and a steward suffered a dislocated shoulder during the disturbance.