Delaware neighborhood on edge after masked men with apparent weapons knock on doors of homes

Cameras in a Delaware neighborhood caught at least two masked men knocking on doors late Friday night, including one carrying an apparent rifle, police said.

Images released by the New Castle County Police Department show a man wearing a tactical-style vest and holding what appears to be a rifle while knocking on a home's front door.

A separate image shows another individual approaching a front door wearing a black vest and mask.

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