crash in a Scots city.Former commando Michael Byrne raced into action after witnessing the bump between a red Jaguar and white Audi on Market Street in Aberdeen.When he approached the cars he found the Jag driver had been knocked out by his airbag and smoke was pouring from the motor.He dragged him from a car and checked his pulse before emergency services arrived.Michael said the man had little idea what had happened as he came to.The incident happened around 10.35am on Sunday.Michael told the