NEW YORK (CBSNewYork) — A string of break-ins had Park Slope residents on alert, Tuesday night.

Police said the latest two happened Monday, in a building off of Sterling Place.

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The suspect got in through a fire escape, and took off with some jewelry.

Residents have been urged to lock windows and doors when they leave.

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“I was like what? Over here? Are you for real? Yes, I’m very concerned,” Denise Zeigler-Simpson said.

“It makes me uncomfortable, of course, I’ve lived in this neighborhood for 33 years,” Michael Fram said.

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NYPD statistics have shown a more than 50 percent spike in burglaries in the Park Slope area in 2017.