Pakistan also has faced its worst locust infestation in two decades, prompting authorities to declare a national emergency.

A swarm of desert locusts has entered South Sudan, bringing east Africa's worst locust outbreak in decades to an eighth country.

Now, he's become the "locust commander", the man leading the fight against the country's worst locust outbreak in decades.

A farmers' association in Kenya's northern Laikipia area said it was planning aerial spraying of pesticides to combat the worst locust plague since 1954.

Kenya, Somalia, Eritrea and Djibouti are battling the worst locust outbreak in decades, and swarms have also spread into Tanzania, Uganda and now South Sudan.