South Yorkshire Police said extra officers will be patrolling the roads looking for culprits. Key figures in transformation of Sheffield urge city to find its own identity Murder accused appears at Sheffield court South Yorkshire Police in week-long crackdown on drivers using mobile phones VIDEO: Pulp legend Jarvis Cocker backs protesters bid to save thousands of Sheffield trees from the chop Pile-up causes long delays on South Yorkshire motorway Missing South Yorkshire teenager found safe and well Last drinks for Sheffield's Holme Lea pub Get all the latest Owls stats Get all the latest Blades stats Download The Star's mobile app now for FREE