LAKE RONKONKOMA, N.Y. (CBSNewYork) — Police on Long Island said a man was robbed of his cellphone while playing the popular “Pokemon Go” game.

It happened around 5 p.m. Wednesday in Lake Ronkonkoma.

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The 19-year-old man was playing the game on his iPhone while walking along Lake Shore Drive when police said a gray, four-door sedan with at least three people inside pulled up alongside him.

That’s when a male passenger in the front seat told the victim to hand over his cellphone, police said. When the victim hesitated, police said another passenger in the backseat pulled out a gun and demanded the phone. 

The victim handed over the phone and fled.

So far, no arrests have been made.

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Anyone with information is asked call the Fourth Squad at 631-854-8452 of call anonymously to Crime Stoppers at 1-800-220-TIPS.

To play the game, users roam through the physical world searching for virtual Pokemon creatures to catch.

In the wake of robberies, injuries and other incidents, officials across the country have urged players of the game to be careful and pay attention to their surroundings while using the app.

Authorities in Connecticut have also released a warning on Twitter, asking players to stay alert, avoid dangerous locations and to play in groups.