Police have arrested a 51-year-old man after a 12-year-old boy was killed in a hit-and-run outside a school in Essex.

It is believed to have been a deliberate attack.

The man has also been arrested on six counts of attempted murder and one of causing death by dangerous driving.

Four students and a 23-year-old woman were injured following the attack. Their injuries are believed to be non life-threatening.

-Sam Fitzsimons