Shanghai Municipal Police
On May 30, 1925, Sikh detachments of the Shanghai Municipal Police opened fire on a crowd of Chinese demonstrators at the Shanghai International Settlement. At least nine demonstrators were killed, and many others wounded. Escalating the incident, on June 23, 1925, a heated demonstration in Shameen Island took place which resulted in the Shakee Massacre. Troops under foreign command, perceiving shots being fired at them, killed more than fifty Chinese protesters and wounded almost two hundred more.