POLICE are investigating a serious sexual assault in Malvern overnight.

It happened in Edith Walk, next to the Foley Arms, between 11pm and 11.30pm last night.

Police say anyone who witnesses "suspicious activity" in the area should contact them.

"Detectives are currently working with the victim to establish what has taken place and forensic investigations are ongoing at the scene," said a West Mercia Police spokesperson.

"We would like to appeal for any witnesses to come forward who experienced any suspicious activity in Belle Vue Terrace between 11pm and 12am."