April 13 (UPI) --Officials in Austin, Texas, are investigating a massive explosion Sunday that leveled one house, injured several people and left nearly two dozen other homes in the area damaged.

But some combustible material on the ground ... the explosion was silicone oligomers, Kurucz said, but they would not have been in a high enough concentration to cause adverse health effects.

Officials are investigating the cause of an an explosion that leveled a two-story house in Austin, Texas Sunday that left 6 people injured. Image by Simaah from Pixabay 34,242 people played the ...