An arbitration court in St Petersburg has frozen the assets of several banks in Russia, including Germany’s Deutsche Bank and Commerzbank, after the planned construction of a terminal, which Deutsche Bank had helped to guarantee, was cancelled. The court action was taken at the request of RusChimAllianz, a Gazprom subsidiary operating an LNG terminal on the Baltic Sea. The company is claiming €239 million ($260 million) against Deutsche Bank, according to a report by the Russian state news agency TASS on Saturday. The assets blocked are securities belonging to Deutsche Bank and other companies…