Security officials say there is a strong likelihood the threats could be carried out, as authorities order action.

Activists say US lawmakers must be held accountable for military assistance to Israel and investments in weapons manufacturers.

Pope Leo said on Sunday that doctors had detected a small growth on his lung during a recent health check and he would be undergoing surgery this week to remove it.

President Xi Jinping said that “African resources must not become instruments of geopolitical rivalries”.

The government attributes the crisis on a shortage of foreign currency and is hoping a new loan from the International Monetary Fund will help stabilise the economy.

The current outbreak is second only to the 2014-2016 West African outbreak, which infected over 28,600 people.