Emergency crews were working to pull a van out of the water at Lake Ray Hubbard late Thursday.[[370995831,C]]
Witnesses told police that they saw someone in the van when it went down a boat ramp and into the lake Thursday evening.
Divers from the Lewisville Fire Department and Dallas Fire Rescue were called in, but officials have not yet indicated whether anyone was in the van.
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Further information is not yet available.