CHICAGO (CBS) — Firefighters worked to put out flames at a house fire in Kenosha, Wisconsin, Sunday morning. Electrical wires could be heard popping, and bright lights flashed as crews fought the blaze.

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A person living near the house said there was an explosion, and right before that happened he smelled a gas leak outside the house near 79th and 30th.

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He also said three people live in the home. He saw two of them get pulled out. No conditions were immediately available on those rescued.

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This is a developing story.