beijing fire beijing apartment block kill 19 people injure eight prompt authorities order city-wide safety check state news agency xinhua report fire break saturday even three-storey apartment block beijing southern daxing district probe cause underway xinhua report add anyone find responsible would punish preliminary investigation show refrigeration facility basement apartment fire likely start xinhua say late sunday fire fighters say heavy smoke build large flame follow blaze beijing communist party boss cai qi order safety check throughout capital include outlying villages must take action protect people live safeguard safety stability capital cai say accord xinhua beijing order safety check apartment block fire kill 19