British athlete Sarah McDonald reveals assault while training

Runner says man on moped grabbed her bum' on canal towpath in Birmingham

An athlete who competes for Great Britain has spoken of her shock after she was assaulted on a canal towpath in Birmingham while training for the Olympics.

Sarah McDonald, a middle-distance runner, tweeted that a man on a moped had grabbed her bum" as she was warming up for a training session. She said she would be reporting the incident to the police.