maseru lesotho top military leader khoantle mots omots two senior officer shoot dead tuesday army barrack government say immediately clear motivation shoot kingdom subject several coups periodic political violence since gain independence britain 1966 south africa call calm colonel tanki mothae principal secretary defense force tell reuters two senior officer investigation murder another former lesotho defense commander 2015. prime minister thomas thabane flee country 2014 coup attempt whose wife shoot dead june offer detail kill news conference say incident investigate neither mothae prime minister confirm south african media report two officer kill defense commander die gunfight soldier south african president jacob zuma condemn strong term possible senseless regrettable kill call calm restraint mountainous country entirely surround large neighbor lesotho major supplier water south africa industrial heartland zuma also say southern african development community sadc would send ministerial fact-finding mission lesotho thursday assess situation south african deputy president cyril ramaphosa make frequent trip lesotho try secure peace among political rival facilitator sadc lesotho bouts political turbulence since attempt coup 2014 last three elections recently june fail produce winners clear majorities commander lesotho defense force shoot dead south africa call calm