Two more arrests have been made following three nights of unrest in a Norfolk town.
Disorder linked to anti-immigration protests took place in Thetford in Norfolk on Tuesday, Wednesday and Thursday, with a police presence in the area ever since.
Norfolk Police said a man in his 20s, arrested on Sunday on suspicion of assaulting an emergency worker and being in possession of a Class B drug, remains in custody.
A teenage boy, arrested on suspicion of assaulting an emergency worker, was taken to Bury St Edmunds Police Investigation Centre and has since been released on bail until 4 October.
The force has made 15 arrests in total since the disorder started last week.