Harvests threatened by locust swarms --------------------------------------- Swarms of voracious locusts are rampaging through large parts of East Africa, the Middle East and southwestern Asia, devastating cropland and threatening the livelihoods of millions of people --------------------------------------- National emergency declared Swarm: Each can contain billions of locusts --------------------------------------- PAKISTAN Worst locust plague in 27 years IRAN INDIA SAUDI ARABIA YEMEN OMAN ETHIOPIA SOUTH SUDAN UGANDA SUDAN ERITREA DJIBOUTI SOMALIA KENYA Uganda and South Sudan also at risk Worst invasion for 70 years in Kenya, worst for 25 years in Ethiopia and Somalia One locust can consume its own weight in food each day 500km 310 miles --------------------------------------- Source: Food and Agriculture Organization (FAO) Picture: Associated Press © GRAPHIC NEWS