Around 250 suspected Naxals in civilian clothes struck a convoy of Congress leaders during the party's Parivartan Rally on Saturday, killing at least 25 people. Senior party leader Mahendra Karma and former legislator Uday Kumar Mudaliar were also killed in the attack. Thirty two people, including 20 policemen, who were accompanying the convoy which was on its way back from Sukma to Jagdalpur, were also injured in the attack.