South Yorkshire Police: Moment undercover police ram off-road bikers

Footage of undercover officers deliberately ramming motorbike riders has been released by South Yorkshire Police.

The force said "tactical contact" was being used after a rise in "motorcycle-based criminality".

The video shows two riders being rammed by unmarked police cars in Coal Aston, near Dronfield.

A force spokesperson said it released the clip to show the "brave and bold tactics" at its disposal.