Afghanistan's capital was under lockdown on May 16, as thousands of minority Shiite Hazaras launched protests over a multi-million-dollar power transmission line, in what could snowball into a political crisis for the beleaguered government. Security forces blocked key intersections with stacked-up shipping containers in Kabul as the protesters sought to march on the presidential palace, demanding that the electricity line linking energy-rich central Asia pass through a central Hazara-dominated area. / AFP / SHAH MARAI (Photo credit should read SHAH MARAI/AFP/Getty Images)