report by the United Nations stated 1,331–1,460 people were missing, including at least 378 soldiers and 216 civilians. 345 unidentified bodies, of mostly soldiers, were also confirmed to be held at morgues in the Dnipropetrovsk Oblast or buried. In all, as of late October, 774 people were missing according to the government, including 271 soldiers. By the end of December 2017, the number of confirmed missing on the Ukrainian side was 402, including 123 soldiers. The separatists also reported 433 missing on their side by mid-December 2016, and 321 missing by mid-February 2022. As of mid-March 2015, according to the Security Service of Ukraine (SBU), 1,553 separatists had been released from captivity during prisoner exchanges between the two sides. Subsequently, Ukraine released another 322 people by late February 2016, while by September, 1,598 security forces members and 1,484 civilians had been released by the rebels. 1,110 separatist fighters and supporters, including 743 civilians, were reportedly still being held by Ukrainian forces as of late March 2016. The figure of separatist prisoners was updated to 816, including 287–646 civilians, in December. At the end of May 2015, the Ukrainian commander of Donetsk airport, Oleg Kuzminykh, who was captured during the battle for the complex, was released. In December 2017, a large prisoner exchange took place where the rebels released 73 out of 176 prisoners they were holding, while Ukraine released 306 out of 380 of their prisoners. Out of those that were released by Ukraine, 29 brought to the exchange point refused to go back to separatist-held territory, while 40 who were already previously released did not show up for the exchange. Meanwhile, out of those released by the rebels, 32 were soldiers. This brought the overall number of prisoners released by the rebels to 3,215. Among those still held by the separatists, 74 were soldiers. The number of released prisoners was updated to 3,224 in late June 2018, while the number of those still held by the rebels was put at 113. At the end of December 2019, a new prisoner exchange took place, with Ukraine releasing 124 separatist fighters and their supporters, while 76 prisoners, including 12 soldiers, were returned to Ukraine by the rebels. Another five or six prisoners released by the separatists decided to stay in rebel-controlled territories. Foreign fighters Foreign volunteers have been involved in the conflict, fighting on both sides. The NGO Cargo 200 reported