The NYPD is searching for three men after beating a fourth man on the L train earlier this month.

The attack occurred near the Myrtle Wyckoff stop near the border of Brooklyn and Queens. The incident was caught on camera and uploaded to the website

The gruesome video depicts a lone man being attacked. Three men punch and kick the man for about a minute.  He attempts to fight back, but he is outnumbered and unable to fend of his attackers.

The motive for the beating is unknown as are the identities of the attackers. Police are asking that anyone with information on the incident or the identity of the suspects to call CrimeStoppers at 1-800-577-TIPS.