BERLIN, May 02. /ITAR-TASS/. Representatives of Western countries succeeded for the first time to get on direct line with observers from several member states of the Organisation for Security and Co-operation in Europe (OSCE) detained in east Ukraine, the German Foreign Ministry told reporters on Friday.

As for which organization in concrete got in contact with the detainees he said that the OSCE was negotiating their release. The country’s Foreign Ministry refrained from giving other details.

On April 25, supporters of federalisation in Sloviansk, a city in the south-East of Ukraine, detained a bus with passengers, with unarmed military observers from OSCE countries among them. The observers are staying in the east of Ukraine at the invitation of the Kiev authorities.