Gardai have renewed their appeal for information following a fatal crash in Kilmacrennan last week.
The two car collision occurred at around 11.50pm on Wednesday last.
Brother and sister, PJ and Una McGettigan, both aged in their 70s and who were travelling in the same car died, while the driver of the second car, a woman in her 40s sustained serious but non life threatening injuries.
Anyone who witnessed the collision or who may have dash cam footage is asked to contact Gardai in Milford.