Two elderly Italian nuns have been killed at their convent in Bujumbura, the capital of Burundi.
The motive for the killings is not yet known. Police in the city are said to be hunting a man who was seen leaving the convent with a knife in his hand.
The nuns – named as Lucia Pulici and Olga Raschietti – belonged to the Xaverian Catholic order, according to Italian news agency, Ansa.
Their deaths were announced by the Diocese of Parma in Italy.
In 2011, a Croatian nun and an Italian aid worker were killed in a botched robbery in northern Burundi.
Burundi is one of the world’s poorest nations, with an economy that depends heavily on tea and coffee exports.
It has been struggling to overcome the legacy of a 12-year civil war between rival ethnic groups.