The United Nations World Food Programme (WFP) said Monday it delivered emergency food supplies for 18,000 people in Taiz in central Yemen, only the second time this year it has managed to access the besieged city. A WFP "convoy entered the area of Al Qahira carrying 3,000 family rations including vegetable oil, wheat, pulses and sugar - enough for a family of six for one month," the Rome-based UN agency, which deals with emergency food assistance, said in a statement. It said the situation in Taiz was "one step below famine," meaning that at least 20 per cent of its population do not have enough food to eat and that "many face life-threatening rates of acute malnutrition." WFP said it was operating in Yemen thanks to a 143-million-dollar donation from the Kingdom of Saudi Arabia.