Russian investigators arrived in Turkey on Tuesday to probe the assassination of Moscow's ambassador as the Turkish government pointed the finger of blame at exiled cleric Fethullah Gulen.

President Recep Tayyip Erdogan on Tuesday opened the first ever road tunnel underneath the Bosphorus Strait in Istanbul, the latest project in his plan of transforming Turkey's infrastructure.

More than 50 wounded civilians from Aleppo, many in serious condition, have been transferred to Turkey for treatment, the Turkish Red Crescent said on Friday. 

Human Rights Watch on Thursday accused Turkey of "silencing" independent media in its bid to prevent scrutiny or criticism of its huge crackdown following the failed July coup.

The EU said Tuesday it would open no new areas in Turkey's membership talks in the "currently prevailing circumstances" because of concerns about its post-coup crackdown.

Turkey will fight terrorism "right to the end,"  President Recep Tayyip Erdogan said on Sunday following twin blasts in Istanbul that killed 38 people.

President Recep Tayyip Erdogan urged Turks on Friday to step up efforts to boost the Turkish lira by converting more foreign currency, as the campaign launched earlier this month showed only limited effect.

A Turkish soldier was killed Wednesday in a car bomb attack in northern Syria where troops are helping Syrian rebels capture a key town from Islamic State jihadists, the army said.

Turkey's industrial output nosedived in September, the country's statistics office said, fueling fears that growth is contracting in the second half of the year in the wake of the failed July 15 coup.

Turkey on Monday warned the United States not to allow demographic changes in the Syrian city of Raqa after Kurdish-Arab forces launched a U.S.-backed operation to capture the jihadist bastion.