British lawmakers will be asked to consider legislation this week that would let ministers impose a wider range of sanctions against Russia should it move against Ukraine , the British foreign secretary said Sunday. The foreign secretary, Liz Truss, outlined the plan in an interview with the broadcaster Sky News, presenting it as part of a broad range of efforts to deter further aggression from President Vladimir V. Putin of Russia . Britain is already supplying defensive weapons to Ukraine and has offered to increase its troop deployments elsewhere in Eastern Europe. Also on Sunday, Russia’s foreign minister, Sergey V. Lavrov, said that Russia would seek clarity from NATO on its intentions days after the United States and its allies delivered a formal rejection to Moscow’s demands that NATO retreat from […]