A file photo showing members of ISIS including military leader and Georgian native, Abu Omar Al Shishani, centre, speaking at an unknown location between the Iraqi Nineveh province and the Syrian town of Al Hasakah. AFP
A file photo showing members of ISIS including military leader and Georgian native, Abu Omar Al Shishani, centre, speaking at an unknown location between the Iraqi Nineveh province and the Syrian townShow more

Ukraine says it has detained deputy to slain ISIS official