Russia's relentless attacks on the Ukrainian port city of Odessa are unfolding the same week the Kremlin terminated the Black Sea grain Initiative.
It was a critical deal guaranteeing safe passage for Ukraine's grain exports through the Black Sea.
Crystal Goomansingh looks at the fears of a looming global food crisis, what some say needs to be done to keep supply strong for millions of people and how Ukraine is now matching one of Russia's threats.
