Explosion at fireworks factory in China kills at least 21 people , state media says

A blast at a fireworks factory in China’s Hunan province has killed 21 people and injured 61, prompting the Chinese president, Xi Jinping, to call for a thorough investigation, state media reported on Tuesday. China’s official news agency Xinhua said the blast happened in Changsha city on Monday afternoon. Nearly 500 rescuers were deployed and people were evacuated from danger zones by authorities who citied the risk from two black powder warehouses, the report said. Authorities were investigating the cause and had taken “control measures” against those in charge of the company, the report said, without specifying the measures. Emergency…