Top court rejects legal challenge by MDC, which alleged the vote was rigged in favour of President Emmerson Mnangagwa.  Zimbabwe 's Constitutional Court has unanimously dismissed a bid by the largest opposition coalition to annul the results of last month's presidential election , which gave a victory to incumbent  Emmerson Mnangagwa . Chief Justice Luke Malaba said on Friday that the  Movement for Democratic Change (MDC)  alliance, led by 40-year-old  Nelson Chamisa ,  had failed to prove fraud accusations during the vote.  "The application is dismissed with costs ... Emmerson Dambudzo Mnangagwa is duly declared the winner of the presidential elections held on the 30th of July 2018," Malaba said in his ruling. Mnangagwa, 75, said he was "not surprised by the court's decision" and called for unity and peace. "Nelson Chamisa, my door is open and my arms are outstretched, we are one nation, and we must put our nation firs...