Dr. Jason Smith, University of Louisville Hospital's chief medical officer, said doctors who treated victims dealt with a "spectrum of injuries" consistent with an explosion, including blast injuries, thermal injuries and injuries from falling debris.

Beshear addressed the explosion that struck Louisville on Thursday, saying his primary focus is on the deceased victims.

Kentucky’s governor says investigators will find out what caused a deadly explosion that ripped apart a Louisville factory

"When you're dealing with a large explosion like this, and such a massive amount of destruction, it's going to be difficult," one official said.

In a statement, the Supreme Court identified the convicted murderer as Ayaz Asad, a local resident of the province who had intentionally killed another Afghan using a Kalashnikov rifle. The execution was carried out after the vict Iranian women who resist wearing the hijab are to be given treatment at a specialist mental health clinic in Tehran.