By Greta Rosen Fondahn (Reuters) -Some 160 people who applied for asylum at Finland’s eastern border last year have since disappeared, amid a sudden surge of asylum seekers arriving via Russia, Finland’s immigration authority said. Finland closed its eastern border with Russia late last year amidst a growing number of arrivals from countries including Syria and Somalia. It accused Moscow of funnelling migrants to the border, a claim the Kremlin has denied. The immigration authority Migri said it got 1,323 asylum applications at the eastern border between August and December last year, about 90…