By Diana Rocco

RADNOR TOWNSHIP, Pa., (CBS) — A Main Line burglary spree has residents checking their doors.

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Police say five homes and a car were broken into — all in one night.

It happened in a section of Radnor Township, Delaware County.

“It scares me,” a neighbor said.

Radnor neighbors worried after five homes were broken into overnight Sunday while homeowners were at home sleeping.

“It scares everyone to feel that we are vulnerable,” a neighbor said.

Police say one or more burglars hit two homes on the 500 block of St. David, one on Glenmary and two on Belrose between midnight and 5 a.m. Sunday. The items taken were all on the first floor, small things they could grab while the homeowners slept upstairs.

“It’s in very close proximity to the Paoli Thorndale line. So we strongly believe that the individuals that are responsible for these burglaries are walking that line,” Radnor Police Lt. Andy Block said.

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Police believe these thieves were targeting homes specifically along the train tracks. When they tried the doors, they were unlocked.

“They were looking at the house for what we found was common was either a door or a window open. If a window was open and they could access it, they would cut the screen or pop the screen out. They would enter the residence. They wouldn’t be in there long because they were looking for any type of valuables that were in an open display, in plain view,” Lt. Block said.

The burglars also hit an unlocked car on St. David and attempted to rob a sixth home but could not get in. Police say they got away with cash, handbags, small electronics and liquor. Some of the items were later found in neighbors’ yards.

“We’re all in communication. We know that we need to stay in touch, we know we need to just keep our eyes open,” the neighbor said.

Police have increased their patrols in the affected areas Monday night. Radnor Township is offering a $5,000 reward for information leading to an arrest.

Anyone with information is asked to contact the Radnor Detective Bureau at 610-688-0503.

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