A woman out walking her dog has been followed by a man acting suspiciously at an Oxford nature reserve.

The woman alerted police at 4pm on Saturday saying the stranger tracked her for a couple of minutes at Kidney's Nature Reserve, Jack Straw's Lane.

She said the man then spotted her dog and walked off. He is described as white, 5ft 6in tall, in his early 30s with short brown hair and was wearing dark jogging trousers and jumper.

Anyone with information can call police on 01865 266333.