Since the start of the conflict in eastern Ukraine in 2014, the Red Cross has documented about 2,000 people who went missing. Many of them still haven’t been found.
Russia and Ukraine have agreed to a new prisoner exchange scheme as part of peace negotiations and the families of many of the missing hope this will bring them home.
But many have heard nothing of their loved ones since they disappeared.
The BBC’s Abdujalil Abdurasulov spoke to one family waiting for news.