UN refugee agency says migrant flows to Greece down sharplyBERLIN (AP) — The U.N. refugee agency says it’s encouraged by a sharp drop in the number of people fleeing to Greece from nearby Turkey.Agency spokesman Charlie Yaxley says Tuesday that just over 5,000 people were registered as arriving on Greek islands in August, compared to 22,000 in July.The August figures are the lowest registered so far this year.The drop appears to have been influenced by a European Union deal with Turkey to try to stem the