Death toll rises to four U.N. peacekeepers killed in Mali attack

DAKAR (Reuters) - A United Nations peacekeeper has succumbed to injuries sustained in an attack in northern Mali on Monday, bringing the death toll to four, the U.N. mission in Mali said on Tuesday.

The United Nations had previously said three peacekeepers were killed and three others seriously injured whentheir vehicle hit an improvised explosive device in the northern region of Kidal.