After two Japanese attacks on Christmas Island in late February and early March 1942 relations between the British officers and their Indian troops broke down. On the night of 10 March the Indian troops led by a Sikh policemen mutinied murdering the five British soldiers and the imprisoning of the remaining 21 Europeans on the island. Later on 31 March, a Japanese fleet arrived at the island and the Indians surrendered. (extract from Wikipedia 2011)