The desert locust invasion in Kenya is the worst that has been seen in the East African country in 70 years, a UN agency said Friday.

The Food and Agriculture Organization (FAO) at a news conference in Nairobi warned that the locust outbreak is threatening food security and livelihoods in East Africa and urged for international aid.

“We must act immediately and at scale to combat and contain this invasion. As the rains start in March there will be a new wave of locust breeding. Now is, therefore, the best time to control the swarms and safeguard people’s

Read more: UN: Locusts threaten food security in East Africa