Imperial Japanese Army Air Service
Japanese commander Lieutenant General Yokoyama planned to take the city within two days. On 22 June, the Imperial Japanese Army Air Service began dropping incendiary bombs on the city, and a 30,000 strong force made up of the Japanese 68th and 116th Divisions of the 11th Army attacked the city at eight o'clock that night, with the 68th attacking from the south and the 116th attacking from the west.