Russia  blasted Warsaw’s refusal to allow Foreign Minister Sergei Lavrov to attend a meeting next month of the Organization for Security and Co-operation in Europe as “unprecedented and provocative”.

“The decision from Poland, which is the acting chairman of the OSCE, to refuse the participation of the Minister of Foreign Affairs Sergei Lavrov in the OSCE’s ministerial meeting in Lodz on December 1-2 is unprecedented and provocative,” the foreign ministry said, of the gathering of ministers from the world’s largest security body.