NEW YORK (CBSNewYork) — Police are looking for three teens who they said are wanted in connection with a robbery and an attempted robbery at a park in the Bronx.

Both incidents happened an hour apart on Friday at Poe Park on the Grand Concourse.

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Around 3:30 p.m., police said the teens walked up to a 15-year-old boy sitting on a bench, threatened him and then stole is iPhone before fleeing.

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An hour later, the three threatened a 16-year-old girl and a 17-year-old boy in front of the park, but took off empty handed, police said.

The suspects were seen on surveillance video.

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Anyone with information is asked to call the NYPD’s Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782), visit www.nypdcrimestoppers.com or text tips to 274637 (CRIMES) then enter TIP577.