3 killed in house explosion in southern Texas

An adult couple and a teenager were killed Thursday in an explosion at the home where they had recently been remodeling.

The cause of the blast was being investigated, but police were "leaning" to the conclusion that it was an accident, Capt. John Houston said.

A 45-year-old woman, her 14-year-old daughter and the woman's 52-year-old boyfriend were found in the rubble. Police did not release their names pending positive identification.

Houston said family members said the residents "were doing some remodeling and were complaining of gas leaks." Investigators were looking at propane tanks found at the home.

The blast …