Police have released photographs of two vehicles they believe may have been used in an attack on prison officer Adrian Ismay.
The father of three died after being injured by a dissident republican bomb which detonated under the van he was driving to work on March 4 in east Belfast.
Police are appealing for information on a red Citroen C3 with the number plate SKZ6662, which is believed to have been used by those planting the device.
They also want information on a silver Skoda Fabia KFZ2352, which is thought to have been used before and after the incident by those involved.
Detective Chief Inspector Richard Campbell said: "In particular I am appealing for any sightings of this vehicle, on the move or parked up, between 7pm on the evening of Thursday 3 March and 4am during the early hours of Friday 4 March.
"It is my understanding that a male was dropped off in this vehicle in Pilot Street in the Docks area of Belfast at around 3am on Friday morning and I am appealing for anyone who saw this, or who knows the identity of this male to come forward to police."
More top news
The BFI made the move in the wake of the sexual harassment allegations made against him by a large number of women in the film industry.
A mild day for most with plenty of misty low cloud.
Hollywood star Channing Tatum broke the news in a lengthy Facebook post as he paid tribute to Harvey Weinstein's accusers.