Three people were shot in separate incidents across the city overnight, police said.

A man walked into Lincoln Hospital shortly before 3 a.m. Saturday after being shot in the left leg in Harlem, cops said. The victim said he heard gunshots and felt pain while walking along Eighth Avenue and West 135th Street, authorities said. There are no arrests.

Earlier, a 31-year-old man was critically hurt after being shot in the chest on 3rd Avenue and East 157th Street in the Bronx at around 1:30 a.m., cops said. The victim was taken to Lincoln Hospital. Police are looking for two men wearing black clothing and black surgical masks, cops said.

Late Friday, a 41-year-old man walked into Jacobi Medical Center shortly after 11:30 p.m. after being shot in the left hand, police said. The victim was uncooperative, cops said.