Dramatic new footage shows the moment an ambulance exploded after it was set alight in an arson attack in north London.The video shows the vehicle on fire with smoke billowing above while firefighters use hoses to spray water on it in an attempt to put it out.The footage, taken in the early hours of Monday morning, shows the vehicle blow up - with orange and pink flames flashing into the air.

Dramatic new footage shows the moment an ambulance exploded after it was set alight in an arson attack in north London.The video shows the vehicle on fire with smoke billowing above while firefighters use hoses to spray water on it in an attempt to put it out.The footage, taken in the early hours of Monday morning, shows the vehicle blow up - with orange and pink flames flashing into the air.