The NYPD Hate Crimes Unit says it's investigating a slashing inside a Chelsea deli.

Police say the man dressed in black in the above surveillance video said anti-white obscenities to the man before slashing him on his arm and running off. 

It happened near Ninth Avenue and West 25th Street around 6 a.m. Friday. 

Police say the victim was on his way to the subway station when the alleged attacker followed him into the store.  

He's described as around 30 years old, 5 feet, 8 inches tall, and between 200 to 240 pounds.

Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-TIPS, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com.