Monrovia police were called to the scene Thursday around 10 p.m. as arson investigators discovered a man, dead in an unattached shed nearby, which was not involved in the original fire.

A day after a fire ripped through one Monrovia home and damaged another, investigators are continuing to investigate what sparked the destruction. The fire was reported at about 3:30 p.m. Tuesday in the 600 block of East Colorado Boulevard,

The two-alarm fire spread to a nearby home where firefighters were on the roof trying to contain the damage. The incident was reported around 3:30 p.m. on E. Colorado Boulevard near Gladys Avenue. Aerial footage showed most of the structure reduced to smoldering ash. A gas line continue to emit flames.

While firefighters are still working to determine a cause, some neighbors say that a large boom shook the neighborhood moments before one home went up in flames on Tuesday afternoon.

A body was found in a shed near a home in Monrovia that was destroyed in an explosion and fire; the cause is under investigation.

Firefighters battled massive flames and smoke coming from a house in Monrovia following an explosion. The Monrovia Fire Department said there was a report of an explosion at the house in the 600 blocks of East Colorado Boulevard.