It happened after two vehicles crashed in Thetford at around 8.25pm on Sunday.

One man - believed to be the driver of one of the vehicles - left the scene holding what was described as a handgun.

Forensic teams on the A11 at Thetford following the shooting (Image: East Anglia News Service)

Emergency service vehicles on the A11 at Thetford (Image: East Anglia News Service)

Emergency services were called at 8.25pm on Sunday (Image: East Anglia News Service)

They were........

© Norwich Evening News