MIDDLEBORO (CBS) – Thirty passengers safely evacuated a school bus after it burst into flames on Interstate 495 late Saturday afternoon.

The passengers were bicyclists who were returning to Quincy after finishing a race, which started in Quincy and ended at Mass Maritime Academy.

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(Photo credit: Middleboro Fire Department)

No injuries were reported in the bus fire, reported shortly before 4 p.m.

The bus was traveling near Exit 6 on I-495 when it became engulfed in flames.

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(Photo credit: Middleboro Fire Department)

Another bus had picked up the passengers by the time firefighters arrived on scene.

Firefighter extinguished the flames within 15 minutes.

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State Police responded to the scene.