Police officer stabbed in chest in horrific category A prison attack
![Police officer stabbed in chest in horrific category A prison attack](https://i2-prod.birminghammail.co.uk/incoming/article29595876.ece/ALTERNATES/s615/0_Lower-Newton-and-Frankland-prisons-in-Co-DurhamjpgFr.jpg)
Investigation launched as force says officer is 'conscious and talking' following incident
Investigation launched as force says officer is 'conscious and talking' following incident