(STMW) — A school bus with children on board caught fire Tuesday afternoon on Interstate 57 on the Far South Side.

The bus caught fire in the northbound lanes of I-57 at 107th Street about 2 p.m., according to Fire Media Affairs spokesman Will Knight.

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Five people — two adults and three children — were taken to Roseland Community Hospital for smoke inhalation, Knight said. Their injuries are thought to be minor.

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Knight did not know what caused the bus to catch on fire.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2014. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)