bishkek kyrgyzstan state security service say saturday detain opposition lawmaker two weeks presidential elections accuse plan riot violent coup gknb security service say statement deputy kanatbek isayev supporter main opposition presidential candidate omurbek babanov conspire criminal group orchestrate riot oct.15 vote impoverish central asian country home russian military airbase reputation political volatility two previous presidents topple violent riot incumbent leader almazbek atambayev draw bishkek russia orbit six years power prepare step constitution bar seek second term helm nation million people instead atambayev social democratic party lead parliamentary coalition back ally former prime minister sooronbai jeenbekov babanov also former prime minister could reach comment saturday february-march poll unite state international republican institute show babanov trust politician kyrgyzstan second atambayev term proportion people view favorably kyrgyzstan accuse opposition mp plan riot coup