House blows up, windows broken and six injured… Watch horrifying video of gas explosion in California

Video footage shows a sudden explosion and a horrific scene of debris, smoke and fire at a house in Hayward City. A massive fire broke out in San Francisco, California on Thursday morning due to a sudden gas explosion. The explosion was so powerful that a house was completely destroyed, windows were broken and vibrations were felt in the nearby houses. At least six people have been injured in the incident.