A nine-year-old girl had a sweet surprise for emergency service workers in Lancashire.

Eva Davies spent the day giving out chocolates and thank you letters, leaving the treats in the window of police vans and ambulances:

This note was left for police in Chorley. Credit: Chorley Police

In one note, the little girl thanked police for their "outstanding" work.

Chorley Police said the notes "made their day".

This note was brought into Preston police station. Credit: Twitter/ @snoopy68

Preston North End Police also tweeted about their surprise, after two officers were stopped by Eva and her dad.

Posting on Twitter, Eva's father said he would pass on the officers' thanks.