 Simultaneously, a reinforced brigade of approximately 8,000 troops(the Oshima Composite Brigade), under the command of General Oshima Yoshimasa, was also dispatched to Chemulpo by June 27.According to the Japanese, the Chinese government had violated the Convention of Tientsin by not informing the Japanese government of its decision to send troops, but the Chinese claimed that Japan had approved this.The Japanese countered by sending an expeditionary force to Korea.