NEW: Iran is worried that the United States will use the nuclear talks as a pretext for new attacks, according to Axios, citing a senior Iranian official.

YPG/PKK-affiliated SDF spokesperson:

Handing over weapons is a red line for us, and we do not compromise on principles. We are negotiating with Damascus as equal parties, not as subordinates or subservient ones.

NEW: Heads of the Russian and Ukrainian delegations, Medinsky and Umerov, are holding a bilateral meeting in Istanbul. The meeting is taking place one-on-one, according to Russian media.

NEW: The third round of talks between the delegations of Russia and Ukraine will most likely last only one day, an informed source said.

Source: RIA Novosti.

NEW: A technical delegation from the IAEA is expected to visit Iran within “two to three weeks,” according to an Iranian official.

Source: AFP

NEW: According to an RBC-Ukraine source, a brief preparatory meeting was held between Rustem Umerov, Vladimir Medinsky, and Turkish Foreign Minister Hakan Fidan.

Members of the Russian delegation in Istanbul are communicating at the Çırağan Palace, where negotiations between the Russian and Ukrainian delegations are expected.

The Russia-Ukraine talks, mediated by Türkiye, begin with an opening speech by Turkish Foreign Minister Hakan Fidan.

Turkish Foreign Minister Hakan Fidan:

Türkiye is ready to fulfill its responsibilities in line with the agreements to be reached by the parties.

Turkish Foreign Minister Hakan Fidan:

Ankara gladly notes that the international community highly values the results of the first two rounds of negotiations between Russia and Ukraine.

Turkish Foreign Minister Hakan Fidan:

Türkiye has the necessary infrastructure to monitor compliance with a potential ceasefire in Ukraine.

Russia and Ukraine have agreed on further exchanges of military and civilian prisoners of war and will not hold a new round of talks on the prisoner exchange.

Source: Reuters

NEW: Russia and Ukraine have concluded the third round of peace talks in Istanbul.

Umerov:

We propose to Russian side to hold meeting of Russia and Ukraine leaders until the end of August.

Ukrainian Defense Minister:

We are grateful to our partners who support the peace efforts, especially to Türkiye.

Ukrainian Defense Minister:

Russia must adopt a constructive approach to achieve peace.

Ukrainian Defense Minister:

More than 1200 people will be included in humanitarian exchange between Russia and Ukraine.

Ukrainian Defense Minister:

Our priorities are a ceasefire and organizing a meeting between Zelensky and Putin.

Head of the Russian delegation Medinsky:

We proposed that Ukraine also consider declaring short-term ceasefires.

Head of the Russian delegation Medinsky:

We reached an agreement with the Ukrainian side on the exchange of prisoners and the bodies of the deceased.

Head of the Russian delegation Medinsky:

The exchange of 250 detainees from each side is being completed at the Ukraine-Belarus border.