Masked driver knocks motorbike rider to ground before accomplice pushes him in attempted robbery

Police are hunting these two masked motorists who violently knocked a motorbike rider to the ground during an attempted robbery.Footage of the incident shows the 48-year-old motorcycle rider assaulted by a pair of attackers.The clip first shows a red Honda motorbike cruise up behind a grey Fiat 500 vehicle at 11am yesterday (Thurs) in Sheffield, Yorkshire.SWNS