At least five people were killed when a bus plowed into several vehicles near a work zone on a highway in the US state of Virginia on Friday, according to Virginia State Police, CBS News reported. Another 34 people were hospitalized, including three in critical condition.

The crash occurred at about 2:35 a.m. on Interstate 95 when a bus failed to slow for traffic approaching a work zone and struck six vehicles, Virginia State Police said.

Preliminary findings showed that traffic had slowed as vehicles approached the work zone before the crash, police said.