A man was arrested after he allegedly flew a drone over a protest in Center City Wednesday night.
A Philadelphia Police helicopter was flying over an anti-Donald Trump protest at 18th and Walnut streets when the pilot noticed a drone flying several feet away from the chopper, said police.
Police tracked the drone to a nearby building that houses students from multiple local colleges and arrested its operator.
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The operator, 20-year-old Joseph Roselli of the 2900 block of Chestnut Street, was taken into custody and charged with reckless endangerment.
On Thursday, police announced additional charges against the University City man including aggravated assault and risking a catastrophe.
"This person endangered a lot of individuals," said Philadelphia Police Commissioner Richard Ross. "It was just dangerous for a lot of reasons."
Ross hoped that a lesson could be learned from Roselli's arrest.
"People who have these drones should take note that you have to operate them responsibly, there's rules and regulations that come with them," said Ross.
Police also detained four protesters during the anti-Trump rally in Center City though they have not yet revealed whether any of them will be charged. [[401613245, C]]