Interview with witness who offered first aid to PC Keith Palmer, who was fatally stabbed during the Westminster terror a

The transcript describes a chaotic scene where a marksman neutralizes an attacker. A bystander provides first aid to an injured officer, who has multiple wounds. Medical assistance arrives, and the bystander reflects on the shock of the situation.

Who provided assistance to the police officer after the attack?

What was the response of the paramedics and the doctor when they arrived?