Examples of crashes and astonishing near-misses caught on drivers' dashcams have been released by police to discourage erratic driving.

Forces in Norfolk and Suffolk said they received about 150 videos a month from the public - double the amount from last year.

About 75% of footage has led to drivers being warned, sent on driving courses or dealt with through the courts.

Watch the full story on Inside Out at 19:30 BST on BBC One in the east of England, on Monday, 15 October.