Two people were shot and a 73-year-old man was beaten with a cane aboard a Manhattan subway train in separate incidents across the city overnight, police said.

The disturbing unprovoked subway attack occurred at around 3:30 a.m. Saturday aboard a southbound 1 train at Broadway and West 96th Street, cops said.

The unidentified attacker beat the unsuspecting senior citizen over the head and face, causing bruising and abrasion, authorities said. The victim was taken to Mount Sinai Morningside hospital in stable condition, the NYPD said. There are no arrests.

Less than two hours later, around 5:20 a.m., a 31-year-old man was shot in the abdomen inside an apartment building on Washington Avenue and East 182nd Street, authorities said. The victim was taken to St. Barnabas Hospital in stable condition, cops said. The shooter, clad in dark clothing, ran off, police said. There are no arrests.

On Friday, around 8:30 p.m., a bullet grazed the right hand of a 37-year-old woman on Greene Avenue, near Marcus Garvey Boulevard in Bedford Stuyvesant, police said. The woman refused medical attention, cops said. There are no arrests.