Russia and Ukraine have started exchanging the remains of fallen soldiers under an agreement reached during peace talks in Turkey earlier this week. The two sides met in Istanbul on Monday, where they failed to reach a ceasefire but agreed to a new prisoner swap and the return of 6,

The second round of talks was even shorter than the first and didn’t address any substantive issues to ending the three-year conflict.

Russia and Ukraine began a major prisoner exchange, swapping hundreds of soldiers and civilians in the first phase of an exchange that was a moment of cooperation in otherwise failed efforts to reach a ceasefire in the 3-year-old war.