NEW YORK (CBSNewYork) - Police have released video of three suspects wanted for a couple of robberies on the 4 train in the Fordham section of the Bronx.

Police say the three men stole a pair of headphones from a passenger on a southbound train at the Burnside station on April 18.

The victim allegedly fought back, until one of the men threatened him, saying he had a gun.

Police say the same men tried to take headphones from a woman on the 4 train a week later, but dropped them while running away.

Anyone with any information is asked to call NYPD's Crime Stoppers hotline at 1-800-577-TIPS (8477) or 1-888-57-PISTA (74782) for Spanish. You can also submit a tip via the Crime Stoppers website, by Tweeting @NYPDTips or by texting a tip to 274637 (CRIMES) and then entering TIP577.