ISTANBUL -- Turkey on Monday warned countries not to send warships through straits to the Black Sea after President Recep Tayyip Erdogan invoked a 1936 agreement to "stop escalation" in Ukraine.
Ukraine war
Turkey blocks Black Sea passage for Russian naval vessels
Erdogan announces restrictions to 'stop escalation' based on 1936 agreement
A Russian navy ship passes through the Bosphorus in Istanbul in May 2020. © Anadolu Images
Read Next
Latest on Ukraine war
