Detectives investigating the murder of George Gilmore in Carrickfergus have arrested two men.
The men, aged 28 and 35, were detained on Thursday in the greater Belfast area, police said.
Mr Gilmore, 44, died after he was shot in the neck in a car in the Woodburn estate in the Co Antrim town on Monday afternoon.
Detective Inspector Darren McCartney said the men are currently being questioned at Musgrave Serious Crime Suite.
He said: "We are aware that a number of people were in the area at the time of the shooting and would appeal to anyone who witnessed the attack to contact detectives in the incident room on 02890 259542, phone police on 101 quoting serial 605 15/03 or phone Crimestoppers on 0800 555 111 if you would prefer to remain anonymous."
Police investigating the murder of loyalist George Gilmore in Carrickfergus have received a second anonymous letter about the killing.
Detectives investigating the murder of loyalist George Gilmore have received an anonymous letter and say it contains “vital information”.
Police condemn the gunmen responsible for the fatal shooting of a local loyalist in broad daylight in Carrickfergus as 'reckless'.