Zambian incumbent President, the presidential candidate of the ruling Patriotic Front (PF) Edgar Lungu arrives at a polling station to cast his vote in Lusaka, Zambia, Aug. 11, 2016. Polling started Thursday morning for Zambia's general elections and referendum. About 6.7 million registered voters are expected to cast their ballots at nearly 7,700 polling stations across the country, which opened from 6 a.m to 6 p.m. (Xinhua/Peng Lijun)
