NEW YORK CITY: Almost 310,000 people in Yemen have been driven from their homes since the start of August, the UN said on Wednesday. It warned that the besieged city of Taiz was running out of basic goods as renewed fighting blocked roads and choked supply lines, and the prices of essential items had increased as much as fivefold, according to the UN Office for the Coordination of Humanitarian Affairs. Organizations that deliver flour and other staple foods the city’s markets depend on have p