MANHATTAN, N.Y. (PIX11) — A man was stabbed twice in the back with an unknown object inside a Manhattan subway station Saturday, according to police.

The incident occurred at around 3 p.m. at the Times Square subway station near West 43th Street and Eighth Avenue.

Police said the victim and his assailant were in the mezzanine of the subway station when the attack occurred. The woman who stabbed the man fled the scene, police said. The victim was transported to Bellevue Hospital in critical condition.

NYPD officials said this was not a random attack and the two parties involved in the incident were believed to be acquainted in some way. Officials declined to comment on how the two parties knew each other.

Submit tips to police by calling Crime Stoppers at 1-800-577-TIPS (8477), visiting, downloading the NYPD Crime Stoppers mobile app, or texting 274637 (CRIMES) then entering TIP577. Spanish-speaking callers are asked to dial 1-888-57-PISTA (74782).