 A 2,500-strong Operational Group of Russian Forces , as well as over 20,000 tons of Russian-owned weapons and munition are present in Transnistria.Moldova and the Organization for Security and Co-operation in Europe (OSCE) demand their withdrawal.According to a verdict issued by European Court of Human Rights, the presence of these troops is illegal (breaking the 21 July 1992 agreement), and Transnistria is "under the effective authority or at least decisive influence of Russia".