A manhunt is underway for the suspect who murdered a man at a busy Brooklyn subway station on Tuesday afternoon.

Police said the killing happened at about 3:05 p.m. on Oct. 7 at the Jay Street-MetroTech station on the R line.

Officers from the 84th Precinct and NYPD Transit District 30 responded to the station after receiving a 911 call about a man in need of assistance.

Upon arriving, cops found the victim, an unidentified adult man, who suffered severe trauma to his body and was unconscious and unresponsive.

EMS rushed the man to NewYork-Presbyterian Brooklyn Methodist Hospital in critical condition; he was later pronounced dead. Police have withheld the man's identity, pending family notification.

Police have yet to determine a possible motive for the deadly attack.

The NYPD relea

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