A van was found in the Saugus River Friday morning, officials said, though it wasn't immediately clear if a person was inside.
Saugus police were first alerted to the vehicle in the water by a 911 call about 11:30 p.m. Thursday, according to the department. The caller saw taillights in the water.
Police, firefighters and dive teams searched overnight, eventually finding the van about 7 a.m., police said.
The tides and sediment in the river made it impossible to tell at first if anyone was inside the vehicle. Police later determined there was no body inside, and the van had been stolen.
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It wasn't immediately clear how the van ended up in the river.
