Sikh leaders clash in USA Tribune News Service Amritsar, October 18 An unsavoury situation arose when two groups of Sikh leaders of the USA clashed in the Tri City (New York) in the presence of Giani Joginder Singh Vedanti and Giani Tarlochan Singh, Jathedars of Akal Takht and Kesgarh Sahib, respectively, at a function yesterday. The function was organised in connection with quadricentennial celebrations of installation of Guru Granth Sahib. Senior office-bearers of American Gurdwara Parbandhak Committee (AGPC) told this correspondent on telephone that the Sikh leaders exchanged blows when Manjit Singh Calcutta, an SGPC member, was asked to address the gathering. The function was organised by various organisations of the USA, including the AGPC . Some of the Sikh leaders sustained injuries in the clash, it is learnt.