Footage shows moment of Stevenage 'car cruise' crash
Footage posted online has shown the moment two cars crashed at a "car cruise" gathering, injuring 17 people.
The vehicles collided on Monkswood Way, Stevenage, at about 21:45 BST on Thursday.
Two people were seriously injured and 15 more hurt.
One of the charity event's organisers described it as a "nightmare".
Read more: Seventeen hurt in 'car cruise' crash