CHICAGO (CBS) — The roof of a building collapsed early Friday during an extra-alarm fire in the Marquette Park neighborhood on the Southwest Side.

At 12:41 a.m., fire crews responded to the two-alarm blaze at a two-story building in the 2900 block of West 63rd Street, according to a tweet from Chicago Fire Media Affairs. The building consists of an unused first-floor storefront and apartments on the second floor.

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Firefighters battling an extra-alarm fire early Friday in the 2900 block of West 63rd Street as a winter storm moves through the area. (Credit: Justin Jackson/Sun-Times)

The fire tore through the building’s roof, causing it to collapse, Chicago Fire Media said.

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The blaze was struck out by 2:10 a.m, but fire crews have not conducted a search of the building due to heavy fire and the instability of the structure, Chicago Fire Media said

No. 63 buses were being temporarily rerouted from 63rd Street, 59th Street, Kedzie Avenue and California Avenue, according to the CTA.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2018. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)