Officials in Austin, Texas, were investigating an apparent house explosion, the Austin fire department reported on social media. Around 11.25am CDT, residents in north-west Austin reported hearing and feeling an explosion in the area. “It rattled my windows and building,” one person posted on social media with an image of a plume of smoke rising into the air. Austin fire department has confirmed that four people – including one firefighter – were injured in the blast, which collapsed the house. The blast caused damage to neighboring homes. Power was out in the surrounding area and the neighborhood has been closed