NEW You can now listen to Fox News articles! An explosion at a fireworks factory in a central Chinese province killed at least 21 people and injured 61 others, according to state media. The blast happened at a fireworks plant in Liuyang, a city administered by Changsha in Hunan province, on Monday afternoon, China’s official news agency Xinhua reported. The plant was operated by Liuyang Huasheng Fireworks Manufacturing and Display Co. in Liuyang, which is under the jurisdiction of Hunan’s capital, Changsha. Liuyang is home to a hub for fireworks manufacturing, state media China Daily reported. MASSIVE FIRE DESTROYS UNIVERSITY OF SOUTH FLORIDA LABORATORY BUILDING: 'TOTAL LOSS' Fire crews work to put out a fire after an explosion at a fireworks plant in Liuyang, Hunan Province of China.…