The issue focused on Europe's controversial Schengen Agreement with Turkey and whether it could be reinstated after it was criticised by European politicians in January. Two senior Turkish politicians were detained by Turkish police over an alleged plot to blackmail Prime Minister Recep Tayyip Erdogan. Prime Minister Erdogan says he will review the EU deal with Turkey as part of his bid to restore confidence in his country's democracy.Last week the EU suspended Turkey's visa-free travel scheme with Turkey after six Turkish nationals were detained for questioning on suspicion of visa fraud