Mayor of Mali town killed as clashes and abuses spike in north
"We condemn in the strongest possible terms these acts of violence and provocation, especially the hostage-taking and pillaging," U.N. mission chief David Gressly said in a statement.
Gressly said all parties involved in peace talks were responsible for ensuring the ceasefire held so a final round of talks in Algiers can be completed.
(Additional reporting and writing by David Lewis; Editing by David Holmes)
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