Bamako: Suspected militants attacked a UN base in the northern Mali town of Kidal with mortars and machine guns on Friday, killing three peacekeepers and wounding 30, United Nations and separatist sources said.
The attack is a fresh sign of instability in the desert region that is home to hardline groups including Al Qaeda in the Islamic Maghreb (AQIM) who have staged increasingly bold raids in recent months and have targeted the UN base several times.
"At about 7am (0700 GMT) the MINUSMA base in Kidal was the target of a complex attack which, according to provisional figures, caused the death of three blue helmets and around 30 wounded," Mahamat Saleh Annadif, the Mali representative of the UN secretary general, said in a statement.
Eight mortar shells were fired at the base and there was also gunfire, said Olivier Salgado, a spokesman for the UN peacekeeping mission, whose acronym is MINUSMA.
The base is part of an attempt by the United Nations to end violence in Mali following a takeover of the north by hardliners in 2012. A year later a French-led intervention force pushed the militants out of key towns in the region.
The UN mission has not stopped the violence and militants have expanded their attacks in recent months into other parts of Mali and beyond.
These have included an attack on a hotel in Mali's capital Bamako in November, in which 20 people died, and one on Burkina Faso's capital Ouagadougou in January, in which 30 were killed.
There is also a decades-long separatist struggle in northern Mali by ethnic Tuaregs.
Radouane Ag Mohamed Aly, spokesman for the separatist Coordination of Azawad Movements (CMA), told Reuters that Friday's attack had been conducted by militants.
There was no official confirmation or claim of responsibility for the Kidal raid.
In a separate incident on Friday, three soldiers were killed and two others wounded in an ambush of a military convoy on the road between Timbuktu and Goundam in northern Mali, a military source said.
The wounded were evacuated to Timbuktu hospital. It was not clear who conducted the ambush.