Two adults and one child were injured in a crash on Interstate 8 near Pine Valley in San Diego's East County.
The crash happened at approximately 2:36 p.m. Thursday during a reported heavy downpour in the area, said Cal Fire Captain Kendall Bortisser.
The two adults suffered critical injuries; it is unclear how badly the child was injured.
Cal Fire medics are just getting to the scene now.
No other information was immediately available.
Check back for updates on this breaking news story.