Special units from the Syrian Kurdish Asayish, part of the SDF, arrested 3 ISIS suspects in Deir al-Zor, Syria on April 29, 2021. (Photo: SDF Coordination and Military Operations Center/Twitter)
Kurdish Asayish fighters, part of the US-backed SDF, take control of parts of Tay neighborhood from the pro-Syrian regime NDF militia in the city of Qamishlo, April 21, 2021. (Photo: Hogir Abdo)
Michel Kilo, a Syrian opposition leader and writer, speaks to the media in Moscow, Russia in July 2012. Kilo died in Paris on April 19, 2021, of complications from COVID-19. (Photo: Alexander Zemlianichenko/AP)
Syrians being treated for breathing difficulties are shown at a field hospital on the outskirts of Saraqeb after a reported chemical attack. Feb. 3, 2018. (Photo: AFP/Omar Haj Kadour)
A member of Syrian Kurdish security forces looks on during the handover of orphaned children, whose parents were suspected of belonging to ISIS, to a Russian delegation in Qamishli on April 18, 2021. (Photo: Delil Souleiman / AFP)
Syrians civilians are treated for breathing difficulties at a field hospital outside the town of Saraqeb after a reported chemical attack. Feb. 3, 2018. (Photo: AFP/Omar Haj Kadour
A healthcare worker checks the temperature of a woman arriving by bus to Rojava from the Kurdistan Region to test for coronavirus, Feb. 26, 2020 (Photo: AFP/Delil Souleiman)
A Syrian girl holds an oxygen mask over the face of an infant at a make-shift hospital following a reported gas attack on the town of Douma in the eastern Ghouta region on January 22, 2018. (Photo: Voice of America)