Five humanitarian workers were killed and several others injured in a “horrifying” attack on an aid convoy in North Darfur state on Monday night, the United Nations said, as famine conditions worsen across Sudan.

An attack on a United Nations food convoy in Sudan overnight killed five people and prevented food deliveries to children and families who face starvation in North Darfur’s al-Fashir, UN agencies said on Tuesday.

The United Nations says five people have been killed in an attack on an aid convoy in Sudan's restive region of Darfur.