NEW YORK (AP) — Those attending outdoor parties or barbecues in New York City this weekend may notice an uninvited guest looming over their festivities: a police surveillance drone. The New York City police department plans to pilot the unmanned aircrafts in response to complaints about large gatherings, including private events, over Labor Day weekend, officials announced Thursday. Like many cities, New York is increasingly relying on drones for policing purposes. Cahn, the privacy advocate, said city officials should be more transparent with the public about how police are currently using drones, with clear guardrails that prevent surveillance overreach in the future. “Clearly, flying a drone over a backyard barbecue is a step too far for many New Yorkers,” Cahn said.