A cargo vessel carrying grain has left the Ukrainian Black Sea port of Chornomorsk for the first time since a grain deal collapsed, a top government official said on Tuesday, in a test of Ukraine's ability to unblock its seaports for grain export."The vessel RESILIENT AFRICA…<p><p>https://www.marinelink.com/news/cargo-vessel-leaves-ukraines-chornomorsk-508174</p></p>