Turkish authorities detained more than 100 people taking part in an anti-NATO protest march organised by the Communist Party of Turkey (TKP) on Sunday, ahead of an alliance summit in Ankara next week, the party said in a statement.
People carry a banner during a protest, ahead of NATO leaders' summit, in Istanbul, Turkey, July 5, 2026. Reuters/Kemal Aslan
Turkish authorities detained more than 100 people taking part in an anti-NATO protest march organised by the Communist Party of Turkey (TKP) on Sunday, ahead of an alliance summit in Ankara next week, the party said in a statement.
Turkey will host leaders from the 32 allied countries, as well as officials from NATO's partners, in Ankara for a summit on Tuesday and Wednesday. Authorities have ramped up security measures across the Turkish capital ahead of the meeting, banning demonstrations, barricading large parts of the city, and closing off roads.
In a statement, the TKP said it had organised the protest march in Ankara's central Kizilay square, adding that more than 100 party members, including administrators, had been detained.
Footage showed flag-waving protesters chanting slogans including "Murderer NATO, get out of country" and "No passage to NATO", as riot police intervened using tear gas to disperse crowds.
In a separate protest organised by the TKP, hundreds of people marched from Istanbul's Taksim Square to Dolmabahce. There were also two separate protests organised by leftist groups in the Kadikoy district. Despite a heavy police presence, there were no scuffles during the protests in Istanbul.
"We have gathered today in many parts of Turkey to protest against NATO," TKP Secretary General Kemal Okuyan said in Istanbul.
"We said that we would not hand over Ankara to supporters of NATO, that we would not allow Ankara to remain silent. We have fulfilled that promise."
The government did not immediately comment on the protests or the detentions.
Authorities last month arrested 103 people as part of anti-terror raids in Ankara in which 225 people were detained.
Separately, 39 others, including journalists from independent outlets, activists, and academics, were detained in anti-terror raids across the country, media reported on Sunday.
Tuncer Bakirhan, co-chair of Turkey's pro-Kurdish DEM Party, and main opposition Republican People's Party's (CHP) court-appointed chairman Kemal Kilicdaroglu criticised the detentions as unacceptable measures hindering basic rights ahead of the NATO summit.
"The country has been fully turned into a detention centre by using the NATO summit as an excuse," Bakirhan said on X. "We are living through days of undeclared martial law."
Turkish prosecutors have previously said the operations were part of efforts to uncover militant group activities, without mentioning the summit.
Reporting by Ece Toksabay in Ankara, Ismet Mikailogullari and Kemal Aslan in Istanbul
Turkish President Recep Tayyip Erdogan used a joint appearance with Pakistani Prime Minister Shehbaz Sharif in Istanbul on Saturday to deliver his latest broadside against Israel, warning that the "war-addicted Israeli government must not be allowed to drown our geography in the smell of gunpowder and blood again" and accusing Jerusalem of trying to "dynamite" the US-Iran peace deal.
NATO leaders gather next week in Ankara, where Europeans aim to set aside strife with U.S. President Donald Trump over Iran and Greenland and show they are stepping up to defend the continent as Washington cuts back on its commitments to the alliance.
Five years ago, the West risked a full-blown diplomatic crisis with NATO ally Turkey when 10 ambassadors called for the release of a man they saw as a political prisoner, prompting an angry President Tayyip Erdogan to order their expulsion.
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