Furnace possibe cause of deadly Indy explosion

INDIANAPOLIS -- Indianapolis police are still searching for answers in the house explosion that killed two people.

The blast happened over the weekend killing a couple inside of their home. Police have ruled out a meth lab, plane crash or a bomb.

The blast was so powerful, it could be felt for miles. Dozens of homes were damaged beyond repair.

Neighbors said it looks like a tornado tore through.

Some officials speculate that a furnace could be blamed for the explosion, so it may be a good time to get your furnace checked for any problems.