A police officer in London shot and killed a man reportedly wearing a fake suicide vest who police say stabbed at least two people to death on the London Bridge.
An officer with the Los Angeles Police Department suffered non-life-threatening injuries when a man wielding a machete charged at officers after crashing a carjacked vehicle.
An officer with the Lemoore (CA) Police Department reportedly came under attack by a man with a knife at a domestic call on Saturday night and the officer's partner subsequently shot the alleged assailant.
A grand jury has indicted a 28-year-old man for allegedly stabbing an officer with the Rochester (NY) Police Department in October.
About 40 seconds into the interaction, the man spins around and appears to lunge at the officer with a large blade.
A woman armed with a screwdriver and a knife reportedly attacked an officer with the St. Paul Police Department.
An officer with the Rochester (NY) Police Department suffered a knife wound to the head on Friday.
An officer with the Plano (TX) Police Department responding to a call of a disturbance in the parking lot of a convenience store shot and wounded a knife-wielding suspect on Monday.
A deputy with the Vermilion County Sheriff's Office was stabbed in the face by an inmate in a holding cell in the county courthouse in Danville on Friday.
A mother and daughter were murdered in an attack that also left a Florida police officer wounded and another person hospitalized in critical condition.