Earlier on Monday, Turkey detained 10 retired admirals for signing the statement supporting the 85-year-old maritime accord governing use of the Bosphorus and Dardanelles straits on grounds they were conspiring against the constitutional order.
EU leaders had threatened punitive measures against Ankara over its offshore activities. But Reuters reported Thursday the EU froze plans for further measures against executives at state-owned Turkish Petroleum Corporation (TPAO).
By discussing the eastern Mediterranean issue primarily, we will have the opportunity to discuss all our issues once again, from the expectations of Turkey, as a NATO ally, from the EU, to the visa liberalisation and Customs Union issues.
Ties between Turkey and Saudi Arabia have been strained since the journalist Jamal Khashoggi was killed in the Kingdom's consulate in Istanbul in 2018.
Tehran and Washington have said they want the other side to move first to hold talks to salvage the Joint Comprehensive Plan of Action (JCPOA), under which Tehran secured an easing of sanctions by limiting its nuclear work.
Last month, Erdogan told Iranian President Hassan Rouhani in a phone call that he saw a window of opportunity for Iran and the United States, adding he wanted US sanctions on Tehran to be lifted.
Turkey said on Sunday militants from the outlawed Kurdistan Workers Party (PKK) executed the 13 Turks, including military and police personnel, amid a military operation against the group.
Erdogan told supporters of his AK Party that the US statement showed it supported the PKK and the Syrian Kurdish YPG force, which Ankara considers an offshoot of the PKK.