*Migrants bussed back to Athens from Macedonian border<br /> *West Balkan states meet in Austria on Wednesday<br /><br /> Greece not invited<br /><br /> Greece has begun bringing migrants back to Athens from its northern border with Macedonia.<br /><br /> Restrictions in countries along the mainland route to Western Europe have left huge crowds building up behind a bottleneck at the frontier.<br /><br /> #greece Idomeni border: police ordered mostly Afghan migrants on buses bound for Athens PGiannakouris pic.twitter.com/8darmnTuhA— Petros Giannakouris (PGiannakouris) February 23, 2016<br /><br /> More than 450 migrants, mainly Afghan nationals, were taken back to reception centres in the capital.<br /><br /> Diplomatic protest<br /><br /> Athens has filed a rare diplomatic protest with fellow EU member Austria for excluding Greek officials from a high-level meeting on measures aimed at curbing Europe’s biggest inward migration since the Second World War.<br /><br /> Using unusually language, Greek Foreign Minister Nikos Kotzias described it as a “unilateral and unfri
