Syrian activists contend during slightest 26 civilians, including children, have been killed in a north-east of a nation by atmosphere strikes presumably carried out by a US-led coalition.
The Syrian Observatory for Human Rights, a UK-based monitoring group, says a encampment of al-Khan, nearby al-Hawl in Hasakah province, was hit.
A US orator in Iraq pronounced a reports would be looked into.
Separately, a Syrian supervision pronounced 3 soldiers were killed in a strike.
The Syrian unfamiliar method pronounced bloc jets dismissed missiles during an army stay in Deir al-Zour province, that is mostly tranquil by a Islamic State (IS) group, and cursed what it called an act of “flagrant aggression”.
However a US troops insisted that a bloc had carried out no strikes in a area nearby a camp.
Responding to a after news that bloc atmosphere strikes competence have killed civilians in a strike in Hasakah province, a orator pronounced allegations were taken really “seriously”, adding that if a information was deemed “credible”, an review would be launched and a formula expelled publicly.
That area has been a concentration of extreme fighting in new weeks between IS army and Arab and Kurdish groups, corroborated by bloc atmosphere strikes.
The bloc has been targeting IS militants in Syria given Sep 2014, and does not prepare a raids with a authorities in Damascus.
Russia has also been bombing IS and other opponents of President Bashar al-Assad given late September.
If bloc jets did strike a Syrian army stay – reported to be tighten to belligerent hold by IS – it would be a initial time such a thing is famous to have happened given a US began atmosphere strikes in Syria, says a BBC’s Jim Muir in Beirut.
The bloc has been stepping adult a attacks in new weeks on IS positions and oil installations in northern and eastern Syria. Broadening a range brings with it a risk that unintended targets competence be hit, a match adds.
Last week, a UK motionless to attend in a atmosphere strikes in Syria, fluctuating a existent bombing debate opposite IS in Iraq.
The United Nations announced on Monday that it was seeking $20.1bn (£13.3bn) to account a charitable assist operations in 2016, with two-fifths earmarked for a Syria crisis.