13-year-old surfer bitten by shark [WARNING: GRAPHIC IMAGE]

A teenage girl has told how a small shark tried to drag her from her board after biting her ankle as she surfed off the Australian east coast.

Kirra-Belle Olsson, 13, was surfing off Avoca Beach, 60 miles north of Sydney, when she was bitten on the left ankle by a 3ft shark, police said.