Palestinian refugee Kadri Subhi Ismail, aged 49, has been held in Syrian government prisons since June 18, 2015.
Kadri, a resident of Aleppo province, was kidnapped by Syrian security forces as he passed through a checkpoint in Yarmouk refugee camp. His condition and whereabouts could not be identified.
1,769 Palestinian refugees, including 108 women and girls, have been locked up in Syrian government dungeons, according to AGPS data.