WATCH ABOVE: How police say you can save your own life in a terror attack
A pint of beer could save your life in a terrorist attack, an ex-SAS soldier says in a new book.
Former warrant officer John Geddes, 60, has revealed some top tips for a terrorist knife attack.
He learned the best techniques to thwart "active shooter incidents" during his 14-year career in the special forces.
The best tactic is to team up with others and overpower the attacker as a group, Mr Geddes...
