A large police presence was at the scene of an incident in the centre of Letchworth earlier today.

The Herts force was called to Leys Avenue at 9.56am today (Tuesday, September 21) to assist the ambulance service. It has now been confirmed the patient, a woman in her 70s, suffered a cardiac arrest.

An ambulance service spokesperson said: "We were called at 9.46am with reports of a person in cardiac arrest in Leys Avenue, Letchworth.

"We sent two ambulances and an ambulance officer. One person was taken to Lister Hospital."