President Keita and Prime Minister Boubou Cisse were arrested by rebel soldiers after weeks of unrest.
The Malian president on Wednesday announced his resignation, saying his decision is to avoid bloodshed.
In a statement on Tuesday, ECOWAS asked all its members to close land and air borders to Mali.
It said sanctions will be meted out against “all the putschists and their partners and collaborators”.
via: Information Nigeria