Photo by Win McNamee/Getty Images
A motorist rammed a vehicle into US Capitol police on Friday and brandished a knife, killing one officer and injuring another.
The incident forcing the Capitol complex to lock down in an attack that police said did not immediately appear to be terrorism-related.
President Joe Biden said he was heartbroken by the attack and ordered flags at the White House be lowered to half-staff.
The Capitol Police has identified the slain officer as William "Billy" Evans, an 18-year veteran of the force.
A motorist rammed a vehicle into US Capitol police on Friday and brandished a knife, killing Evans and injuring another and forcing the Capitol complex to lock down in an attack that police said did not immediately appear to be terrorism-related.