nairobi legislators kenya rule party opposition exchange blow thursday poll close controversial repeat presidential election live national television show mps tumble hedge nairobi panafric hotel two side clash attempt hold near-simultaneous news conferences venue one lawmaker shout profanities camera prompt nervous giggle anchor fistfight reflect large tensions within country saw poll station counties unable open opposition leader raila odinga call boycott oct. 26 poll say would free fair odinga withdrawal leave president uhuru kenyatta serious contender presidency although six candidates also ballot kenyatta presidential poll aug. late nullify supreme court procedural ground government mps come instead address issue start attack raila anthony oluoch opposition mp mathare constituency tell reuters panafric hotel brawl engage physical violence attack 10 15 people opposition mps say joke odinga senator kipchumba murkomen rule jubilee party spark brawl senator blame side violence meet odm opposition mps gallery ask buy drink buy drink people violent say kenya opposition rule party mps exchange blow rival news conferences