THE BRONX - Police are looking for three man who robbed a 15-year-old boy inside a Bronx park.

It happened on Friday around 3:30 p.m. inside Poe Park.

Police say the men approached the suspect who was sitting on a park bench and began threatening to beat him if he did not hand over his iPhone.

The boy complied and the three men ran off with his iPhone. 

Police say the three men returned to the park about an hour later and attempted to rob a 16-year-old girl and 17-year-old man, again threatening to beat them up if they did not hand over their cellphones. 

However, police say the victims refused, and the suspects were unsuccessful. Police say all three men ran away. 

The men are described as wearing hoodie sweatshirts, and dark-colored sweatpants with sneakers. 

Anyone with information is asked to call the NYPD's Crime Stoppers hotline at 1-800-577-TIPS.