Earlier on Friday, Lt Col Damiba urged the population to remain calm after heavy gunfire was heard in parts of the capital.The United States said it was “deeply concerned” by events in Burkina Faso and encouraged its citizens to limit movements in the country.The Economic Community of West African States (ECOWAS) condemned the move, stating it “reaffirms its unreserved opposition to any taking or maintaining of the power by unconstitutional means”.In January, Lt Col Damiba ousted President Roch Kaboré, saying that he had failed to deal with growing militant Islamist violence.The Islamist insurgency broke out in Burkina Faso in 2015, leaving thousands dead and forcing an estimated two million people from their homes."