Booming around the world will find out why theyre so crucial to keeping the virus in check. Im carl aspen thanks for joining us there have been fresh confrontations at the turkish greek border between migrants seeking to enter the European Union and police determined to stop them creak Security Forces have been using tear gas to prevent groups of migrants and refugees from crossing the land border theyve made repeated attempts to breach the frontier in recent days thousands of people have been stuck in no mans land outside the turkish city of air dina since friday and the situation on the greek islands closest to turkey has also been deteriorating on lesbos long a flashpoint in the migration crisis. Refugees and locals have been clashing with police. For days theyve been trying to break through. But police are Standing Firm lesbos has europes largest refugee camp and greek authorities are determined to stop a 2nd wave of migrants from entering. There is also strong resistance to new ar