An air ambulance has landed in Stevenage this afternoon after a woman went into cardiac arrest.

The ambulance service was alerted at about 12.15am to Edison Road after reports that a woman was unconscious and not breathing.

A rapid response car, ambulance crew and ambulance officer were called, along with the Herts Air Ambulance – which landed nearby.

Emergency services remain on the scene and the condition of the woman is not known at this time.