Police are asking the public for help in finding three teenagers they say attacked and robbed a 13-year-old boy in broad daylight last month.

Police say the incident happend at the D subway station on 205th Street and Bainbridge Avenue. They say the suspects approached the teen, punched him in the mouth and grabbed his large gold chain with a crucifix.

Surveillance photos of the suspects have been released. Police say they are between 15 and 18 years old.Neighborhood straphangers expressed their discomfort with such an aggressive crime occuring so close to home.

Anyone with information about the robbery can call Crime Stoppers at 1-800-577-8477.