PHOENIX -- A Valley man is in the hospital after an early morning fire damaged two north Valley homes, and it started while he was working on his car.

Spark caused flashback fire

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It happened near 31st Avenue just south of Greenway.

A man reportedly was siphoning gas from his car when a spark caused a flashback fire.

The man was found with burns on his hands, legs and feet. His condition is unknown.

The explosion started a fire that damaged the carport and garage of the man's home and then spread next door.

It's not clear how badly that second house was damaged.