Fifteen persons sustained head injuries in a clash that erupted during polling at Kharidi Primary School in Gadhimai Municipality-3 Laxmipur in Rautahat District of Nepal on May 13, reports My Republica. The clash took place after a dispute between two parties during the voting. Chief District Officer of Rautahat, Krishna Bahadur Shahi informed Nepal Police and Armed Police Force to send additional troops to the area.