A teenage boy was injured and two homes were damaged when an Elk Grove trailer exploded early Thursday morning.
The victim, a 16-year-old, was transported in critical condition to UC Davis Medical Center.
At 7:37 a.m., the Cosumnes Fire Deparment received a call of a trailer fire at 8572 Alpine Blue Court in Elk Grove.
When firefighters arrived, they found the boy had been badly burned in an explosion, which also damaged two homes.
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The explosion apparently came from a propane tank for a water heater in a camper-style trailer parked next to one of the houses.