Police are appealing for information following a road traffic collision on the M1 yesterday evening (Thursday).
Shortly before 10.30pm, police received a report of a two vehicle collision on the motorway west bound between Blaris and Moira.
A short time later, a second collision occurred in the same location.
Six people were taken to hospital for treatment for their injuries.
Two men were arrested on suspicion of a number of driving offences.
One has been released on bail and the other remains in police custody at this time.
Anyone who may have witnessed the collision or who may have dash cam footage that could help police with their investigation, is asked to get in touch on 101 quoting reference 1912 of 19/08/21.
Alternatively, anyone with information can submit a report online using our non-emergency reporting form via http://www.psni.police.uk/makeareport/.
You can also contact Crimestoppers anonymously on 0800 555 111 or online at http://crimestoppers-uk.org/