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FORT LAUDERDALE (CBSMiami/AP) — Questions remain after a group of motorcyclists were hit on the side of a Florida highway.

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Authorities say a man crashed into four motorcycles stopped along the Florida Turnpike, killing one rider and injuring two others.

Florida Highway Patrol reports 23-year-old Sean Marlin of Sunrise veered his pickup truck off the Turnpike Saturday night and struck a group of motorcycles from Georgia.

Pronounced dead at the scene was 53-year-old John Hawkins of Atlanta.

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Authorities say 52-year-old Angela Richardson of Atlanta was taken to a hospital with serious injuries and 62-year-old Thomas Nunn of Smyrna, Georgia, sustained minor injuries. A fourth motorcyclist, 55-year-old Raphael Holmes of Stone Mountain, Georgia, wasn’t injured.

Investigators are trying to determine if alcohol was a factor in the crash.

Marlin wasn’t injured in the crash.

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(© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)