Zambian president's inauguration delayed until court rules on vote

By Stella Mapenzauswa and Chris Mfula LUSAKA (Reuters) - Zambian President Edgar Lungu said on Tuesday his inauguration would be delayed until a court rules on a challenge from his main election rival who said the vote was rigged. Results on Monday showed Lungu narrowly won re-election in Africa's second-largest copper producer which is suffering an economic slump due to depressed commodity prices. A rule introduced in January says the winner of a presidential election cannot be sworn in if the