Russia threatens response if US sets new sanctions over Ukraine

Russia responded angrily on Saturday to news that US senators had passed a bill calling for fresh sanctions against Moscow and the supply of lethal military aid to Ukraine. "Undoubtedly, we will not be able to leave this without a response," deputy foreign minister Sergei Ryabkov told Interfax news agency ahead of a meeting between the Russian and US foreign ministers. The Senate bill -- dubbed the Ukraine Freedom Support Act -- must still be approved by the White House, which has so f