New migrant detention facility opens north of Athens | Montenegro joins World Trade Organisation (WTO) | Minimum monthly wage in Bulgaria raised by 10 euro on May 1 | Tadic: Trade unions have important role | Three trade unions stage protest walk in Belgrade | Srbijagas has reaped profit of RSD 1.25 billion | Drugs from Russia delivered to Kosovo | Serbian Hummer in the Armed Forces | Real drop of quarterly GDP 1.3% | Foreign trade in January–March 2012 at $7,051.9m | Rehabilitation and modernisation of several heating plants in Serbia | Dacic and trade unionists for social dialogue | 17th anniversary of operation Bljesak marked | PM Cvetkovic opens apartment hotel “Solaris Resort“ in Vrnjacka Banja |