TOPSHOT - Tires are set ablaze by Sudanese protesters during a rally in the capital Khartoum to condemn the "massacre" of five demonstrators including four high school students at a rally in a central town of Al-Obeida on July 29, 2019. The placards read in Arabic : (R) " the killing of a student is the killing of a nation" (L) " AL-Obeida is bleeding". - The demonstrators were shot dead today during a rally against a shortage of bread and fuel, in the central town, a day before protest leaders and the ruling generals hold fresh talks on transfer of power. (Photo by ASHRAF SHAZLY / AFP)