sentences:  Lacking uniforms, the volunteers improvised by wearing a red triangle on their blue shirts to avoid being mistaken for Japanese by the Australians.The Allied forces at Kranji were to be assaulted by the Imperial Guards Division led by Major General Takuma Nishimura.400 Imperial Guards had landed and taken Pulau Ubin, an island in the north-east of Singapore, in a feint attack on 7 February, where they encountered minimal resistance.