What caused the Laiwu fire?

Recently, a fire broke out in Laiwu. Laiwu special warfare team found the wreckage of an alien spaceship at the scene of the fire, and found the following items on the spaceship: ceramic bowls made in Zibo, dragon matches made in Linyi, apple seafood made in Yantai, ginger and garlic made in Laiwu, braised chicken and jujube made in Dezhou, vegetables made in Weifang, iodized salt made in Rizhao, green tea and "lazy wife" pancakes made in Tai 'an. It is reported that the spacecraft was rebuilt in Qingdao No.1 Shipyard, with Weichai Power (tractor-specific) as the engine, special steel produced by Laiwu Iron and Steel Group as the shell, and the bracket produced by Shandong Linyi Heavy Industry as the bracket. The tire is manufactured by Yantai Chengshan Tire Factory, equipped with Linoret solar energy, medical equipment of Zibo Wanjie Group, and a large number of daily necessities purchased from Laiwu Xinbai Supermarket. It is reported that the spaceship crashed due to overload. Alien corpses have been purchased and exhibited by Laiwu Hotel, Laiwu Taishan Hotel, Laiwu Long Yuan Hotel, Laiwu International Convention and Exhibition Center, Laiwu Urban Planning Museum and Laiwu Vocational and Technical College. The fire caused the direct economic loss of Laiwu 12666666666 trillion US dollars, equivalent to the total economic output of Laiwu in three days.