Turkish artists, journalists and authors placed a full-page ad in several newspapers on Saturday, calling on the government to stop using divisive language they charge is polarizing the country and stoking hatred.

The ad, signed by more than 80 people including Nobel literature laureate Orhan Pamuk, was published after a wave of often violent protests this month against Prime Minister Recep Tayyip Erdogan's government.

A pro-government Turkish newspaper on Saturday said it had lodged a formal complaint against CNN International and its anchor Christiane Amanpour for their "false" coverage of the anti-government protests that have rocked Turkey.

"We filed a complaint Thursday against CNN and Amanpour on charges of inciting the public to hatred and enmity by making false news," Takvim daily news director Mevlut Yuksel, who submitted the petition to an Istanbul prosecutor's office with his lawyer, told Agence France Presse.

Turkey has opened a probe into clashes between soldiers and villagers that left one person dead in the Kurdish-majority southeast, local officials said Saturday, as the army searched for an officer kidnapped hours after the unrest.

One demonstrator was killed and nine others were injured in Diyarbakir province's Lice district on Friday when security forces fired shots to disperse some 300 people protesting against the expansion of an army outpost.

Turkey's government launched an attack on social media networks such as Twitter and Facebook on Friday, saying they had been used as a tool for "chaos and disorder" during the country's recent unrest.

"Yes to the Internet ... but an absolute no to its misuse as a tool for crimes, violence, chaos and disorder," Turkey's Transportation and Communications Minister Binali Yildirim was quoted as saying by the local Dogan news agency.

A Kurdish militia allied with Turkey's rebel Kurdistan Workers' Party (PKK) imposed a curfew on the Syrian border town of Amuda on Friday after its forces shot three protesters dead, activists said.

The Kurdish Democratic Union Party (PYD), which has controlled large swathes of Hasakeh province in northeastern Syria since government troops withdrew from Kurdish-majority areas last year, said one of its fighters was killed in an ambush by a rival armed group.

Turkish police have fired tear gas and used water cannons to disperse hundreds of anti-government protesters in the capital Ankara, leading to four arrests, local media and witnesses said Friday.

Police stepped in to break up the protest late Thursday in the Dikmen residential area of the capital, scene of clashes between demonstrators and police for the past few weeks.

Turkey's Islamic-rooted government will submit a proposal to parliament on Thursday to amend an army rule seen as the legal basis for the military to justify coups.

The move marks the latest step in the government's efforts to curb the influence of the once powerful army, which has staged four coups in half a century.

German Chancellor Angela Merkel on Thursday said she was glad Turkey could resume EU membership talks but stressed, after Ankara's crackdown on protesters, that for Europe human rights are "non-negotiable".

The European side "didn't pretend that nothing had happened" in its recent talks with Turkey, she said, referring to the tough response by Prime Minister Recep Tayyip Erdogan's government against the anti-government demonstrators.

Turkish Foreign Minister Ahmet Davutoglu held talks on Thursday with the top U.N. expert leading a probe into allegations of chemical weapons use in Syria, a ministry official in Ankara said.

Davutoglu held closed-door talks with Swedish expert Ake Sellstrom, who has so far been barred from entering Syria.

Turkish Prime Minister Recep Tayyip Erdogan will visit Gaza next week, a senior official in the ruling Hamas movement told a newspaper on Thursday, although Ankara insisted a date has not yet been set.

"The visit of Turkish Prime Minister Erdogan is to take place on July 5," Abdelsalam Siyyam, secretary general of the Hamas government said in an interview with Falestin, a daily considered very close to the Islamist movement.