Russian and Ukrainian delegates concluded their third set of direct talks in Istanbul “about 40 minutes” after they started, the Russian state news agency TASS reported Wednesday, citing a source.

Officials from Russia and Ukraine began a third round of talks in Istanbul, with potential prisoner swaps on the agenda but little expectation of progress on ending the full-scale war that’s in its fourth year.

Negotiators from Moscow and Kiev met for talks in Turkey on Wednesday against the backdrop of the Russian war against Ukraine. According to the Russian state news agency TASS, the meeting at Istanbul's Çırağan Palace ended after less than an hour.