Mali's parliamentary elections, which takes place amid an upsurge in violence by rebels, mark the country's steps to recovery after a coup last year.
Two journalists with Radio France Internationale (RFI) were found dead on Saturday after being kidnapped by armed men while working in Mali.
Insurgents have launched a fresh attack against the Malian army in Kidal, forcing President Ibrahim Boubacar Keita to cut his France trip short.
UN troops have taken over security duties from African soldiers in Mali just four weeks ahead of planned elections.
UN soldiers will take over from African troops in Mali after Ban Ki-moon highlighted the lack of training among the West African peacekeepers.
Mali is hurrying to organise key elections in less than 40 days following a ceasefire deal between the government and separatist Tuareg rebels.
Mali's presidential election will be held on July 28, according to a draft law adopted by the Cabinet.
Russia has revealed it is supplying guns to Mali's government, while French troops have discovered a massive homemade bomb in Gao, north of Mali.
The UN has been considering sending peacekeepers to Mali following a proposal that said French forces killed hundreds of extremist Islamist rebels.
French troops have entered Kidal, the last major town in their lightning drive to drive out rebels from northern Mali, military officials have said.