Unidentified people threw grenade among residents who were sharing drinks at a bar in Gihigano village, Ryankana cell, Bugarama sector of Rusizi district, Western Province last night leaving eight injured and shot dead an old woman Kandenzi Vestine, 52 before escaping.
Gihigano is in the next to another village where three people were shot leaving two of them dead in March 2017.
The two attackers in civilian clothes are said to have immediately fled to Burundi.
The injured have been taken to Islamic Bugarama health center.
The acting executive secretary of Bugarama sector said the incident took place last night around 8 pm.
The police spokesperson in Western Province, CIP Theobald Kanamugire has said he is going to follow and will give details later.