Relatives of the 11 Ukrainian victims of the Ukraine International Airlines flight 752 plane disaster arrive for a memorial ceremony at the Boryspil International Airport, outside Kyiv, Ukraine January 19, 2020./Reuters photo

Lit candles burn in front of a plaque with the names of the victims of the Ukraine International flight which shot down in Iran, during a moment of silence ahead of a meeting of the International Coordination and Response Group, at the High Commission of Canada in London, Britain January 16, 2020./Reuters photo

Mourners attend a vigil for the victims of the Ukrainian passenger jet which was shot down in Iran, in North Vancouver, British Columbia, Canada January 14, 2020./Reuters photo

Funeral procession and burial of four Iranian victims of the Ukrainian plane crash in Iran, at Hamadan, Iran January 16, 2020. /Reuters photo

Candles and flowers seen in a memorial ceremony in Canada, January 12, 2020./Reuters photo

Memorial ceremony held in Sweden./Reuters photo