A new statement from the UN Human Rights spokeswoman Ravina Shamdasani warned that there is growing evidence that all sides fighting around the northern Syrian city of Aleppo are engaged in war crimes by conducting indiscriminate strikes in civilian-populated areas.

Shamdasani warned that while the UN lacked details to attribute individual attacks to different factions in the area, the indications are that everyone has basically ignored the “fundamental prohibition” on launching such attacks when civilians are present.

This has been a recurring concern for months in Aleppo, with large civilian casualties reported on a disturbingly regular basis. And while most of the international forces with an interest in Syria are keen to exclusively blame one side or the other, civilians in both sides’ neighborhoods are being killed.

Russia has paused their airstrikes against Aleppo over the past couple of weeks, though an escalation in fighting further west has meant civilian casualties have continued, with reports of chlorine gas attacks by Nusra forces against government-held areas.