New York, United Nation, March 22, 2012Secretary-GeneralBan Ki-moon today called for calm and a peaceful resolution of grievances in Mali after rebel soldiers reportedly announced they have seized control of the country.According to media reports, rebel troops appeared on Malian state television this morning to announce they had taken control of the country, with soldiers saying a curfew was in force and that the constitution had been suspended. The mutiny that reportedly occurred on Wednesday also involved an attack on the presidential palace.