Police want to speak to the driver of a dark coloured car which initially stopped at the scene of the fatal crash in Ballymoney on Monday.
A man in his 70s and a woman in her 40s died in the crash between a car and a telehandler.
The PSNI in Causeway Coast and Glens are continuing to appeal for witnesses following the crash on the Benvardin Road which occurred just after 4pm on Monday (16 November).
Inspector Stephen McCafferty said police are particularly interested in speaking with the driver of a dark coloured car which initially stopped at the scene as this driver may be able to assist them with their inquires.
“I am also appealing for anyone who may have been travelling in this area on Monday afternoon who may have captured dash-cam footage to please get in touch by calling 101, quoting reference 1317 16/11/20,” he said.