Smart drones to be tested in battle against East Africa locust swarms

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NAIROBI (Thomson Reuters Foundation) - The United Nations is to test drones equipped with mapping sensors and atomizers to spray pesticides in parts of east Africa battling an invasion of desert locusts that are ravaging crops and exacerbating a hunger crisis.

Hundreds of millions of the voracious insects have swept across Ethiopia, Somalia and Kenya in what the U.N. has called the worst outbreak in a quarter of a century, with Uganda, Eritrea and Djibouti also affected.

Authorities in those countries are already carrying out aerial spraying of pesticides, but experts say the scale of the infestation is beyond local capacity as desert locusts can travel up to 150 km (95 miles) in a day.