 Complete the following phrase:  In 1987, Blaise Compaoré became president and, after an alleged 1989 coup attempt, was later elected in 1991 and 1998, elections which were boycotted by the opposition and received a considerably low turnout, as well as in 2005. He remained head of state until he was ousted from power by the popular youth upheaval of 31 October 2014, after which he was exiled to the Ivory Coast. Michel Kafando subsequently became the transitional president of the country. On 16 September 2015, 