US police arrest man suspected of stalking and killing homeless people

Footage of the suspected gunman in New York City (New York Police Department via AP)

US police have arrested a suspected gunman who has been stalking homeless men asleep on the streets of New York City and Washington DC, killing at least two people and wounding three others in less than two weeks.

Law enforcement arrested the suspect in Washington DC, and he is being interviewed by officers, the Metropolitan Police Department said on Twitter.