National Transportation Safety Board to investigate San Francisco gas explosion

SAN FRANCISCO (AP) – The National Transportation Safety Board (NTSB) will investigate a natural gas explosion in San Francisco that sent flames into the sky for hours and damaged five buildings, an official said on Thursday. An eight-person team arrived in San Francisco on Thursday night to begin the lengthy process of gathering evidence and trying to determine what happened, spokesman Eric Weiss said. More details in Weekend’s Borneo Bulletin