Members of the West African regional bloc will impose sanctions on Mali, including closing its borders to hamper trade, denying access to seaports, and freezing assets.
The leader of the ruling junta in Mali said on Sunday that he will restore the constitution amid internal pressure and a growing Tuareg rebel insurrection in the north.
Despite condemnation from world and regional powers, thousands of demonstrators took to the streets to support the military junta that took over last week.
Voters in Senegal cast their ballots in runoff presidential elections on Sunday, choosing between incumbent Abdoulaye Wade and upstart challenger Macky Sall.