by Joshua Melvin with David Stout in Kyiv © Agence France-Presse ZAPORIZHZHIA, Ukraine (AFP) — A Russian-announced ceasefire was due to begin Thursday at the besieged steel plant in the devastated Ukrainian city of Mariupol, to allow civilians to flee even as its defenders vowed to fight to the end. The three-day halt in Russia’s attack on the Azovstal steelworks was announced as EU member states debated a proposed ban on Russian oil, the bloc’s […]