The numbers fluctuate daily and it is unclear if the decline is a direct result of agreement

A deal between the European Union and Turkey appeared to show tentative signs of slowing the flow of migrants to the Greek islands on Wednesday, but many were still trying to cross the sea and the route remained far from sealed off.

Three days after the EU-Turkey deal came into force, new arrivals on the Greek islands from Turkey dropped to 68 in the 24 hours to Wednesday morning from 225 the previous day, data from the Greek migration ministry showed.