Recep Tayyip Erdogan is once again using Turkey’s geopolitical position for his own ends, this time dictating grain shipments from Ukraine through the Black Sea. Turkish customs authorities detained a Russian cargo ship carrying Ukrainian wheat on Sunday, following a request of Kyiv.

The Russian cargo ship Zhibek Zholy left the south-eastern port of Berdyansk over the weekend carrying 7,000 tons of grain, worth about £1.75