BROOKLYN - Police say they are looking for a man who attacked two people on the subway.

It happened on the A train on Dec.18.  Police say the suspect attacked a 28-year-old woman and 48-year-old man. 

They say the suspect was arguing with the victims and threatened them by pointing a sharp object at them.

Both victims were slashed on their faces and the suspect took off, police say.  

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.