Istanbul’s Church of St. Saviour converted to Muslim house of prayer, drawing international condemnation, as Erdogan seeks to appease his base with popularity sagging

Turkish president announces finding fuel in Black Sea, which will lessen country's dependence on imports, but experts say it's not a 'game-changer'

Tensions on the rise with Greece after Ankara sends warships and research vessels into areas claimed by Athens, rejects 'sanctions and threats'

Turkish presidential spokesman accuses presumptive Democratic candidate of 'pure ignorance, arrogance and hypocrisy' over call to support opposition parties

Ankara, which itself has open ties with Israel, assails Abu Dhabi for betraying Palestinians 'to serve its narrow interests;' Tehran claims move will boost 'axis of resistance'

Now reconverted into a mosque, site was built as a cathedral during Christian Byzantine Empire, became a mosque after the Ottoman conquest in 1453, was turned into a museum in 1934

Erdogan and 500 dignitaries due to join first Muslim service in 86 years at site, which had been one of Christendom’s most significant cathedrals

190 people on flight to Turkey now also required to self-isolate; man tells authorities he took trip because he didn't have symptoms, could face charges

In improvised remarks, Francis laments decision to return Istanbul icon, originally built as a Christian cathedral, from a museum to a mosque

Ankara says its first known airborne-and-land offensive in Iraqi territory is in line with international law following insurgents' attacks on its military