Zambian court allows opposition leader to challenge treason prosecution

By Chris MfulaLUSAKA (Reuters) - A Zambian court on Friday allowed opposition leader Hakainde Hichilema to challenge the prosecution over moving his treason case to the high court for trial in a case that has stoked political tension months after contested elections.Hichilema, an economist and businessman known as "HH", was defeated by President Edgar Lungu in an election last August, which he described as fraudulent.Hichilema's lawyers however said the case should not proceed to the High Court