The 37-year-old was walking through North Drive recreational ground when the incident, happened between 11am and 11.40am on Wednesday. As she approached the BMX park near Kingfisher Way a man approached her from behind, grabbed her around the mouth and assaulted her. She broke free and he ran off along a walkway that leads into Mallard Way. She was not hurt but was very shaken up. The offender was described as white, under 6ft and wearing a black jacket with the hood up and grey jogging bottoms. The jacket had a distinctive orange North Face logo on the back of the right shoulder. Det Con Natasha Long said: This was a scary and traumatic experience for the victim and I am keen to catch the man responsible. We know there were other members of the public in the park area the victim had just walked through so I hope one of them may have seen something significant. CONTACT: Det Con Long on 101 or Crimestoppers, anonymously, on 0800 555 111.