The officers carefully took off the heavily padded vest and searched it, looking for explosives and a detonator. However, they found the Oxford University PhD student was wearing a training vest loaded with weights for added resistance when running. Used by the likes of Prince Harry for his Armed Forces trek to the Arctic, the weight vest is becoming a popular exercise accessory.
Iranian student Goudarz Karimi said he was shocked by the police response even after they realised he was not a suicide bomber. He said he had gone out for a jog on Monday afternoon and was confronted by the armed response team in Southfield Road, East Oxford.
Mr Karimi said: 'They told me "Stop! Stop! Put your hands in the air. Drop everything you have".
'The police removed my weight vest and examined it. They started asking questions: "What are you doing?"
'They said they had a report of someone walking in a bomb suit. There were police cars and the street was blocked.' The 25-year-old was then made to remove the 30kg vest so officers could check it for explosives.
He said that when they realised it was an exercise vest they advised him to remove it to prevent any another call from a terrified member of the public.