SOHR, Syrian Observatory for Human Rights, pretty accurate but not always. Pretty bad news.
Islamic State group 'kills 68 US-backed fighters in eastern Syria'
MEE and agencies
IS fighters have been taking advantage of sandstorms to stage attacks, according to the Syrian Observatory for Human Rights
Deadly attack came week after 35 Islamic State fighters were killed by US-backed forces (AFP)
Saturday 27 October 2018
The Islamic State (IS) group killed 68 US-backed fighters near Syria's Hajin, an eastern IS holdout on the Iraqi border, an activist group said on Saturday.
IS late on Friday used suicide bombers as part of a counter-attack against the Syrian Democratic Forces (SDF), who have been fighting the group with US backing, the UK-based Syrian Observatory for Human rights said.
Read more at: https://www.middleeasteye.net/news/group-kills-fighters-eastern-syria-1673584388
CBS reports, at least, 40 US-backed fighters were killed.
https://www.cbsnews.com/news/isis-gunmen-kill-at-least-40-u-s-backed-fighters-in-eastern-syria/