Norfolk: Laser shone at air ambulance helicopter over Attleborough
An air ambulance service has released video of a laser being shone at its helicopter, an offence which it says could endanger lives.
"Short-term effects include temporary flash blindness and potential distraction at a critical stage of flight, while long-term effects could include permanent damage to the eye," said the East Anglian Air Ambulance.
The incident happened as it flew over Attleborough in Norfolk at 02:30 GMT on 27 December.
Norfolk Police said it was investigating and appealed for information.