Russia's blockade of Ukraine will lead to worsening starvation, famine and instability around the world if it cannot be lifted, the World Food Programme has said.
The warning came as Sky News gained rare access to Odesa port on Ukraine's Black Sea coast.
The port should be busy exporting tens of thousands of tonnes of grain but its huge grain elevators stand idle.
Sky was shown a huge grain cargo vessel loaded with 60,000 tonnes.
It should have sailed for Egypt in February but remains moored up thanks to Russia's naval...