Li Hai
In eastern Manchukuo, Wang Delin's troops set three minor railway stations afire and gutted the city of Suifenho near the Russian border. Drawing more troops from the seemingly quiet southern Fengtien province, the Japanese launched the Li Hai-ching Subjugation Operation in May 1932. A mixed force of Japanese and Manchukuo troops attacked Li Hai-ching's guerrillas in southern Heilungkiang province from three directions, rapidly dispersing them and securing control of the region.