The family of a man who died in a fatal road traffic collision in East Dorset has paid tribute to their loved one.
Dorset Police received a report at 6.05pm on Saturday 13 December 2025 of a collision that was believed to involve two vehicles – a black Audi A4 and a Blue Volkswagen T-Roc – on the B3078 near to the junction of Lumber Lane in Knowlton.
Emergency services attended and very sadly the drivers of both vehicles – a 24-year-old man from Poole and a 57-year-old man from Poole were both pronounced dead at the scene.
The 24-year-old man from Poole who sadly died has been named by his family as Robbie Kenneth Williams, also known as Robbie Diffey.
His family has issued the following statement: “Robbie Kenneth Williams (Diffey) our beautiful, loving, caring, funny, mischievous boy.
“We promise to look after both your baby girls. You’ve left a huge hole in all our hearts.
“We will forever and always love and miss you.”
Anyone who has information about the collision or dashcam footage is asked to make contact online via the Dorset Police website or by calling 101, quoting occurrence number 55250183191. Alternatively, independent charity Crimestoppers can be contacted anonymously online using its website or by calling Freephone 0800 555 111.






