South Africa's military has opened an investigation after two more soldiers died on their mission in the Democratic Republic of Congo, the army said Saturday.
The latest deaths were an apparent murder and suicide.
"The incident occurred when one of them shot and killed the other with their service weapon before turning the weapon on themselves with fatal consequences," the South African National Defence Force (SANDF) said in a statement.
The inquiry will investigate the incident and the circumstances that led to it, it added.
The SANDF statement said the troops that died were deployed in the Democratic Republic of Congo as part of the United Nations' MONUSCO peacekeeping force, which has begun to pull out of the war-torn east of the country.
M23 rebels
Around 2,900 more South African troops have deployed in the DRC as part of a Southern African Development Community (SADC) force sent to help the government fight M23 rebels.
Two of those troops were killed last month in a mortar strike, triggering complaints from South African opposition parties that they had been deployed without adequate air and logistics support.
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