A tow truck driver was hit on I-285 when he stopped to help a stranded driver early Friday, Sandy Springs police said.

The vehicle that hit the man, identified by police as 26-year-old Darrell Simpson of Marietta, reportedly did not stop and continued west on I-285. Simpson was rushed to a hospital, where he was in critical condition, Sandy Springs police Sgt. Sam Worsham said.

The accident happened around 2 a.m. in the westbound lanes near Riverside Drive. Simpson pulled his tow truck behind a Mercedes-Benz SUV, which was stopped in the center lanes after hitting a center median, Worsham said.

“When he exited his vehicle to check on the driver, he was struck by a passing vehicle,” Worsham said.

The Sandy Springs traffic unit is still investigating. Anyone with information should contact police.

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At least two people were taken to a hospital after the crash.