D.C. police responded to three stabbings and an armed robbery overnight Saturday.

In the first incident a couple was stabbed around 10:28 p.m. in the 1100 block of K Street SE, said police spokesman Officer Paul Metcalf. He said a man and his girlfriend were taken to the hospital for treatment of their injuries. No arrest has been made.

Around 11:47 p.m., a man was stabbed on the 2300 block of Hunter Place SE and transported to the hospital for his injuries. Police arrested a suspect for aggravated assault.

In another incident, a woman was robbed at gunpoint in the 1800 block of Lamont Street NW around 1:50 a.m. Sunday by two men, police said. According to police, the two armed robbery suspects approached the victim from behind, brandished a gun and demanded her money and possessions. Metcalf said the victim refused medical attention and it was unclear whether she suffered any injuries. The suspects managed to obtain some of her property before fleeing, police said. No arrests have been made.

At 3:50 a.m. Sunday, a woman was found in the 1400 block of W Street NW, suffering from a stab wound. She was conscious and breathing. Police said she was transported to the hospital. No arrests have been made.