Video released by New York Times shows pushbacks of migrants on Lesvos. Outgoing Greek Prime Minister Kyriakos Mitsotakis assured Tuesday that his government was "conducting an investigation" The video shows a group of migrants being driven in a white van to the southern tip of the island.

They are then transferred to a Greek coastguard boat before being abandoned on "a drifting black inflatable life raft" The Office of the UN High Commissioner for Human Rights and EU Home Affairs Commissioner Ylva Johansson called for an "independent and effective investigation"