Police are investigating an alleged serious sex attack in Hall Park, Horsforth.

Police believe a 19-year-old woman was attacked by a man she had arranged to meet on Tuesday evening. Investiga-tions are at an early stage and inquiries are ongoing.

Police are appealing for a motorist who helped the woman to come forward. A police spokesman said: "We are anxious to trace a passing motorist who was possibly on his way to work, who stopped to give her assistance when she ran out onto the ring road at Horsforth near the Eleventh Earl pub sometime after 7am on Wednesday."

The man was driving a red or burgundy Ford Escort with a roof rack. Police are asking him to get in touch.

They are also appealing for anyone who saw anything suspicious in the Hall Park area of Horsforth from 8pm onwards on Tuesday to contact them.

Contact Weetwood Police on (0113) 241 3459.