NEW YORK (CBSNewYork) — Police were searching Thursday night for a suspect in two robberies on the No. 1 Train in Lower Manhattan.

Around 7:30 p.m. Tuesday, Sept. 22, a 30-year-old woman was on a southbound No. 1 train when a man came up, threatened to cut her with an object, and demanded her money, police said.

READ MORE: RFK Bridge Lanes Closed After Police-Involved Shooting, Trooper Struck By Vehicle

The victim complied and handed over about $40, police said.

Around 1:30 a.m. the same night, a 29-year-old woman on the No. 1 train was approached by a suspect who said he would stab her if she did not give him cash, police said. The suspect then punched the woman in the face and chest, ripped off her iPhone 4S, and took $48, police said.

The victim refused medical attention at the scene, police said.

READ MORE: Dr. Fauci Says He 'Would Not Be Surprised' If Omicron COVID Variant Is Already In US

Police did not specify where the trains were when the robberies happened, but said they were in the First Precinct. All No. 1 train stops between Houston Street and South Ferry are located in the precinct.

The suspect was described a black male in his early 40s, standing about 5 feet 10 inches tall and weighing about 160 pounds, with a thin build and pockmarks under both eyes.

Police have released a sketch.

MORE NEWS: Nassau Police: Emya Johnson, 15, Reported Missing From Syosset After Visiting Family In The Bronx

Anyone with information was asked to call the NYPD Crime Stoppers at (800) 577-TIPS, log onto the Crime Stoppers website, or text tips to 274637 (CRIMES) and enter TIP577.