Dhaka, May 21 -- The EU and Britain announced new sanctions against Russia on Tuesday without waiting for the United States to join them, a day after President Donald Trump spoke to Vladimir Putin without winning a promise for a ceasefire in Ukraine.London and Brussels said their new measures would zero in on Moscow's "shadow fleet" of oil tankers and financial companies that have helped it avoid the impact of other sanctions imposed over the war."Sanctions matter, and I am grateful to everyone who makes them more tangible for the perpetrators of the war," Ukraine's President Volodymyr Zelensky wrote on Telegram.But the new measures were unveiled without an immediate announcement of corresponding steps from Washington, despite intense publi...