KYIV, Ukraine: Ukraine said Monday it expects to export its first grain shipments under a UN-backed deal to lift Russia’s blockade “this week”, days after missile strikes by the Kremlin threw the accord into doubt. Kyiv and Moscow on Friday agreed the landmark plan to release millions of tonnes of grain trapped in Ukraine’s Black Sea ports in a move hailed as a major step to averting a global food crisis. Less than 24 hours later Moscow struck the port in Odessa — one of three exit hubs designated in the agreement — sparking fury in Kyiv and heightening fears the Kremlin would not go through w…