Detectives in the North have arrested three more people in connection with the murder of Paul McCauley.
He was severely beaten in a sectarian attack at a barbeque in the Waterside area of Derry in July 2006 and died in a care facility last month, aged 38.
Two men, aged 28 and 36, were arrested in Derry and Coleraine this morning on suspicion of murder and attempted murder.
A 27 year old woman was arrested last night in Derry on suspicion of withholding information.
They have all been taken to Strand Road police station for questioning.
One person has been charged with Mr McCauley's murder.