A teenager has been arrested after a 52-year-old woman walking her dog was stabbed in the back in Thurcroft.
The woman felt two blows to her back - later found to be stab wounds - after an unknown man approached her from behind.
She had been walking her dog along the Mineral Line pathway near to the former pit site in Thurcroft at around 11am yesterday, Monday when the incident happened.
An 18-year-old man has been arrested on suspicion of assault and bailed as an investigation continues.
The woman was taken to hospital to receive treatment for her injuries, which are not thought to be life-threatening.
Police said the woman managed to kick out at the attacker, pulling him to the ground.
The man is then believed to have run away in the direction of the bridge.
The man is described as being around 5ft 11ins tall, in his late 20s to early 30s, of skinny build with a scruffy appearance. He is described as being olive-skinned with short dark brown hair and stubble.
He is reported to have been wearing a light blue football shirt with a white band or motif across the chest, with grey scruffy jogging pants, white socks and black trainers. He is reported to have smelled of smoke.
Additional police patrols are in place in the area and the investigation are ongoing.
Anyone who may have witnessed the incident, or who was in the area between 10.30am and 11.30am yesterday morning, is asked to call police on 101 quoting incident number 321 of 20 April 2015.
Alternatively, report information anonymously to Crimestoppers on 0800 555 111.