GEORGETOWN (Reuters) - Guyana’s top court on Sunday upheld an injunction blocking the elections commission from proclaiming a winner in this month’s presidential election, delaying the results of a vote that has been marred by accusations of fraud. A protester was killed and demonstrators took to the streets after diplomats described credible evidence of fraud in the vote, which will decide who leads the former British colony that is at the edge of an oil boom set to transform its economy. Chief Justice Roxane George said during a court session on Sunday that she would begin hearing the case on...