hereThe woman was approached at about 10.35pm, on Sunday, October 25, on Grimshaw Lane in Middleton.She was dragged into an alleyway and assaulted, but she managed to escape and scream for help.Police said she was not injured but 'understandably shaken'.The man fled to a nearby field.DC Melanie Jeffery, of GMP's Rochdale district, said: "This incident was traumatising for the victim.