A man was killed early Tuesday morning in a rollover crash in Harvard, Massachusetts, according to state police.
Troopers responded to the crash on Interstate 495 southbound, near exit 28, at about 12:15 a.m.
Authorities said the GMC Sierra was in the left lane when it drifted off the roadway, struck the guardrail and rolled onto its roof.
The driver, who has not yet been identified, was pronounced dead at the scene. Police said he was the only person in the pickup truck.
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The exact cause of the crash remains under investigation by Massachusetts State Police but authorities are trying to determine whether speed may have played a role.
*Police previously said the crash was in Bolton.