'Asl Tia', a cargo vessel carrying Ukrainian grain, sails under the Fatih Mehmet Sultan bridge on the Bosphorus to the Marmara sea, in Istanbul on Wednesday. AFP
'Asl Tia', a cargo vessel carrying Ukrainian grain, sails under the Fatih Mehmet Sultan bridge on the Bosphorus to the Marmara sea, in Istanbul on Wednesday. AFP

Russia rejoins Ukraine grain exports deal