A doorbell camera captured the moment an explosion erupted after a gas line rupture in Hayward, California, on Thursday. The incident injured at least six people, according to local news reports. The explosion in the San Francisco Bay Area broke out about 9.30am, several hours after a construction c rew allegedly damaged a gas pipe. At least eight fire engines and two fire trucks responded to the incidentGas explosion in San Francisco Bay Area injures at least six people Continue reading... ...read more read less