Heroic moment vigilante diner hurls her chair at fleeing cyclist phone thief sending him hurtling to the ground

THIS is the moment a quick-thinking diner at a cafe stopped a bike-riding phone thief as he fled from one of his victims.

Security footage from the Italia Cafe in Resistencia, the capital of Chaco in north-eastern Argentina, captured the moment a heroic bystander took down a thief.

InstagramThe quick-thinking woman leapt up from her chair as she saw the thief approaching on his bike[/caption] InstagramThe thief, seen on the right-hand side, braces for impact with the chair...