"Mr. Singh said people within the Indo-Canadian community have told him that figures with links to the Indian high commission in Ottawa had urged them not to support him or contribute to his campaign."
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I find it concerning that a foreign government would try to interfere in the election process of a Canadian Party leader.  This is a very serious allegation, and if true, should result in an investigation of the Indian High Commission, and the exit of persons linked to this allegation sent home on disgrace.  Indian Canadians are beholden to one government and one country.  Singh had better have substantial proof to support this allegation other than from his mother's friend's, gardener's, nephew's grandfather.  Otherwise, he is exploiting factional wedge politics between Sikh, and Hindu Canadians.  Unless, of course, he is playing the social unrest card.