Her final text contained just a single word, but it haunts Jean Hanlon's (pictured) family to this day. 'Help', the message read.

An 11-year-old girl was sexually assaulted by a man on a motorcycle over the Bank Holiday weekend.

The girl was assaulted shortly after 5pm yesterday in Buckthorn, Milton Keynes, according to a post on Twitter by Thames Valley Police.

They are appealing for witnesses of the assault. 

Police tweeted: ‘We are investigating and anyone with information should call 101 or make a report on our website, quoting 43230233423. 

‘You may see an increased police presence in the area while we make our enquiries. Anyone with concerns is welcome to speak to one of our uniformed officers.’

The girl was assaulted shortly after 5pm yesterday in Buckthorn, Milton Keynes, according to a post on Twitter by Thames Valley Police

The girl was assaulted shortly after 5pm yesterday in Buckthorn, Milton Keynes, according to a post on Twitter by Thames Valley Police

The girl was assaulted shortly after 5pm yesterday in Buckthorn, Milton Keynes, according to a post on Twitter by Thames Valley Police