Zambia's Lungu leads in election, main opponent alleges irregularities

By Stella Mapenzauswa and Chris Mfula LUSAKA (Reuters) - President Edgar Lungu was leading in Zambia's presidential election on Monday, with 85 percent of the constituencies counted, but his main rival demanded a recount in a key district, citing irregularities. Lungu faces a stiff challenge from United Party for National Development (UPND) leader Hakainde Hichilema, who accuses him of running the economy down, a charge the president has rejected. With 50.14 percent, Lungu was ahead of Hichilema