Meet Martyn Sullivan from the Hazardous Area Response Team

Martyn Sullivan is an operative and deputy team leader for Wales' Hazardous Area Response Team (Hart).

The specialist team of ambulance staff have been trained to provide life-saving care in hostile environments like industrial accidents, natural disasters, as well as chemical, biological, radioactive, nuclear and terrorist incidents.

The team is also deployed to major road traffic collisions and large fires.

Mr Sullivan recalls how the team helped a man injured by a wind turbine.