POLICE have come under attack on Friday night with petrol bombs in Co Antrim.
The attack came during a Union flag protest in Newtownabbey.
It follows a number of union protests across Northern Ireland on Friday, most of which have been peaceful.
Up to a dozen petrol bombs, stones and bottles were thrown at officers in Cloughfern Avenue.
A further 19 petrol bombs have been seized by police during the trouble.
Earlier, a suspicious object was thrown at a police vehicle. Army bomb teams are examining the object which resembled a pipe bomb.
Following the examination, ATO declared the device a hoax.
Roads in the area have now been reopened and the PSNI have thanked the public for their patience while the device was examined, forcing a number of roads to be closed.