Russian Foreign Minister Sergei Lavrov warned Thursday new clashes may break out in the Caucasus region if the European Union (EU) observers fail to function as security guarantors.

Montenegrin Prime Minister Milo Djukanovic signed here on Thursday, the Charter of Regional Cooperation in South-Eastern Europe, in the present of his Romanian and Moldovan counterparts.

Visiting EU foreign policy chief Javier Solana on Thursday expressed hope that some progress could be achieved in the peace track between Syria and Israel as it is basic in the overall Middle East peace process.