The East Anglian Air Ambulance has been called out to help a horse rider and man who had suffered a 'serious' heart attack in two separate incidents in Norfolk this weekend.

Anglia One, the Norwich-based aircraft, was called out after a man in his seventies suffered a cardiac arrest while walking in a street in central Thetford at about 6pm yesterday (Saturday).

The air ambulance crew anaesthetised him before he was taken to the Norfolk and Norwich University Hospital by road ambulance. His condition on arrival was described as 'serious'.

The crew was also called to a woman in her forties who had been thrown from her horse while riding in Bacton Woods, near North Walsham, at about 12.15pm today (Sunday).

They gave her pain relief, before flying her to the N&N. Her condition was described as 'stable'.