US officials had previously told Turkey that the S-400 missiles were incompatible with NATO's own defences
The move is likely to reignite tensions with Greece over the sovereignty of waters in the eastern Mediterranean and ownership of natural resources.
Health Minister Fahrettin Koca sought to draw a difference between COVID-19 "patients" and "cases" after an opposition MP suggested the true figures were 20 times higher
Turkey sentences man to life in prison for a 2017 nightclub attack, which killed 39 people in Istanbul.
A massive search and rescue operation is underway in Turkey's Black sea region after flooding washed away roads and buildings.
As with the Hagia Sophia, the decision is seen as being geared to consolidate the conservative and religious support base of Erdogan's ruling party at a time when his popularity is under strain.
Erdogan made the announcement on Friday. The plan is for it to be functional by 2023, the centenary of the Turkish Republic.
A source in the presidential palace has told Euronews' Turkish service that President Erdogan will be announcing the discovery of a new natural gas source in the Mediterranean on Friday.
The ancient Sumela Monastery, located in Macka district of Turkey’s Black Sea province of Trabzon, opened its doors to hold mass for the seventh time since resuming religious services after a pause of 88 years.
The Istanbul Convention is the world's first binding instrument to prevent and combat violence against women, from marital rape to female genital mutilation.