Move on anniversary of killing of estimated 1.5m civilians indicative of strained Turkey relations

Turkey subject to ‘unjust accusations’ after European Commission head left without seat

Greece Letter: Frustration pivots around EU lack of response to serious issues with Turkey

Russia sends troops to disputed region and rejects Turkish claim to peacekeeper role

Russian-brokered deal to end fighting in Nagorno-Karabakh region in danger of collapse

Diplomatic efforts intensify to halt fighting between Armenian and Azeri troops

Both sides claims civilian areas being hit as Nato chief joins calls for immediate ceasefire

Military exchanges the latest flare-up over the disputed Nagorno-Karabakh territory

France demands Nato ally stops ‘unilateral’ oil and gas exploration in disputed waters

Victories by Erdogan-backed forces deal blow to Haftar and change dynamic of proxy war

Erdogan’s policies have left Ankara isolated, with Moscow one of its most reliable partners

Russian warplanes strike rebel-held towns as Turkish military backs insurgent strikes

‘Those who sit down with anger get up with losses,’ says president after deadly exchange in Syria

Russian and Turkish inability to end war in Syria has implications for the truce in Libya

Proposal leaves decision on limit, extent and timing of any deployment to president

Islamic State likely to have time and space to target West, US inspectorate says

Resolution formally recognises systematic killing of 1.5m Armenians a century ago

Ankara unleashes global dragnet to catch Gulenists it blames for 2016 coup bid

Truce hailed by Donald Trump and cast as complete victory by Turkish leaders

Camp of 4,000 displaced Syrians evacuated, Kurds say, as Trump hints at sanctions