A vehicle flipped on its side during a crash in El Cajon involving multiple vehicles Thursday evening, the California Highway Patrol (CHP) said.
The crash occurred at 9:37 p.m. on the eastbound Interstate 8 at Greenfield Drive.
All lanes were blocked off, CHP officials said.
Three people were taken to a local hospital.
The extent of their injuries is unknown.
No other information was available.
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