NEW YORK - Police say they're investigating an unprovoked slashing that happened on the subway in Brooklyn.

It happened around 3:15 a.m. Thursday on a train at the 33rd and Park Avenue station in Kips Bay.

Police say a 66-year-old man was on a southbound 6 train when someone approached him and slashed his head and ear before running off.

The victim was taken to a local hospital in stable condition.

Anyone with any information is asked to call the NYPD's Crime Stoppers hotline at 1-800-577-TIPS (8477), or for Spanish, 1-888-57-PISTA (74782). You can also submit a tip via their website or via DM on Twitter, @NYPDTips. All calls are kept confidential.