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FORT WORTH There are lots of unanswered questions after a Sunday morning explosion at a house in the 6400 block of Garland Avenue.

Homeowner Paige Pauley told News 8 she smelled what she thought was sewer gas overnight. She called a plumber, but before he got there, she turned on the hot water faucet and there was a blast.

"It blew out walls," Pauley said, adding that one of her three dogs, a Golden Retriever named Cassidy, was in the hallway where the explosion occurred and was singed, but otherwise okay.

"The other two were with me," Pauley said. "It knocked me back a little bit."

She and her dogs got out of the house and called 911.

Fort Worth arson and bomb units are investigating the cause of the explosion.

Read or Share this story: http://www.wfaa.com/story/news/local/tarrant-county/2014/08/18/14060502/