West Midlands Police officer's hair ripped out by attacker
West Midlands Police is calling for tougher sentences for people who use violence against police officers.
There were 669 assaults on the force's officers and staff between April and December 2017.
A total of 356 work days were lost as victims recovered.
Among them was a police officer who lost a chunk of hair in an attack. She says it has left her more wary of situations.