This harrowing footage of the moment a biker was killed has been released by his grieving fiancée in a bid to prevent similar tragedies.Radoslaw Drzewiecki, from Chester-le-Street, was on his way to work at the Hownsgill Industrial Estate, in Consett, in March last year when he collided with a Vauxhall Meriva which was pulling out of a junction.The 29-year-old, who was known as Radek, was planning to marry his fiancée, Magdalena Gawel, when he tragically lost his life.Now, just over a year on from the accident, she has taken the brave decision to release headcam footage of the collision as part of a campaign to encourage drivers to take extra care when pulling out of junctions.Credit: Durham Constabulary