On 11 March, an army of less than 100 Mongolian soldiers with six Soviet advisors invade the disputed village of Tauran, where they defeated the occupying Manchurian defenders. The same day the Japanese army with some Manchurian volunteers launched a massive attack to retake the village. The Japanese army consisted of ten armored vehicles and dozens of warplane, which bombed the village over night. The next morning the Japanese launched their ground assault with a force of more than 400 soldiers and a few tanks. The Mongolians were slaughtered and barely did any damage to the attackers. Three Soviet advisors were also killed, creating tensions between both nations.