Turkish President Recep Tayyip Erdogan on Friday inaugurated a mosque inside his controversial presidential palace and opened it to public in an apparent bid to deflect criticism over his lavish spending on the complex.

Erdogan's 1,150-room palace, which was built at a cost of around 490 million euros ($615 million) in the Bestepe district of Ankara, has been condemned by critics as an absurd extravagance that shows he is slipping further towards authoritarian rule.

Turkey has no plans to intervene militarily in Syria anytime soon, Prime Minister Ahmet Davutoglu said, refuting media speculation about an imminent operation to create a buffer zone along the Turkish-Syrian border.

"No one should expect that Turkey will go into Syria tomorrow or in the near future. It's speculation," Davutoglu told the private Kanal 7 broadcaster in an interview late Thursday.

The defense minister from Turkish President Recep Tayyip Erdogan's ruling party, which lost its majority in recent elections, was elected parliament speaker Wednesday, in a vote seen as a key barometer of the country's politics.

Ismet Yilmaz was elected speaker in the fourth and final round of voting with support from 258 deputies -- all from his Justice and Development Party (AKP) -- in the 550-seat parliament.

Turkish authorities on Wednesday arrested seven men suspected of fighting alongside the Islamic State (IS) group in Syria, state media reported.

The suspects were arrested in raids in the western city of Izmir, southern city of Isparta and in eastern Erzurum province, Anatolia news agency said.

Syrian Kurdish forces regained full control of Tal Abyad on Wednesday, expelling Islamic State group fighters who had seized a district of the strategic border town, a monitor said.

"Kurdish fighters expelled IS from the Mashur al-Fawqani district that they had captured yesterday (Tuesday)," said Rami Abdel Rahman, head of the Syrian Observatory for Human Rights.

Turkish lawmakers have failed to elect a new parliamentary speaker at the first two attempts on Tuesday in a key barometer of Turkish politics after the ruling party lost its majority on June 7 elections. 

None of the four candidates got the 367 votes needed to secure the post in the 550-seat assembly, with two more rounds to be held on Wednesday. 

Turkey sought to calm speculation Tuesday it was planning to invade Syria, saying it would not act unilaterally but has a right to protect its borders.

"To interpret our border security measures as 'Turkey is going to war'... is not very rational," presidential spokesman Ibrahim Kalin told a press conference in Ankara.

Turkish President Recep Tayyip Erdogan chaired a top security meeting Monday as media speculated that Ankara was planning a military intervention in Syria, following gains there by Kurds against the jihadists.

The regular National Security Council meeting comes days after Erdogan said he would "never allow" the formation of a Kurdish state along Turkey's southern borders. 

Riot police in Istanbul used teargas and fired rubber pellets to disperse thousands of participants in the city's Gay Pride march after some began chanting slogans against the president, an AFP reporter said.

The scene turned violent when participants -- many brandishing rainbow flags -- denounced "the fascism" of the conservative President Recep Tayyip Erdogan.

Turkish President Recep Tayyip Erdogan said that Turkey will never allow the establishment of a Kurdish state in Syria after major gains by Kurdish fighters.

In a strong-worded warning late on Friday, Erdogan accused the Kurds of ethnically cleaning other communities from land they have taken after pushing back Islamic State forces from the Turkish border.