POLICE are investigating a complaint that a man broke into a house in Bradford and committed a sexual act over the bed of a sleeping couple.

Officers were called to a property in Eccleshill and took a sample of the bedding to check for DNA.

The incident is alleged to have happened overnight.

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A West Yorkshire Police spokesman said: "Police were called at 10.13am yesterday to an address in the BD2 area after a report of a suspicious incident.

"Officers did not find any signs of forced entry into the property and a piece of material has been recovered.

"Police have not been made aware of any similar incidents in the BD2 area recently and enquiries are continuing."