US-led airstrikes carried out on Friday against the Islamic State (IS) [JURIST news archive] in Syria killed 10 civilians, it was reported by an observing group on Saturday. Washington responded, stating that there is no evidence to back up the report. The Syrian Observatory for Human Rights [advocacy website] stated [report] that seven civilians were killed by airstrikes on a gas station in the Der-Ezzor province on Friday, and three civilians, including a child, were killed by airstrikes targeting oil fields in the countryside of al-Shadadi south of al-Hasakah. US Central Command spokesman Colonel Patrick Ryder commented [Reuters report] that there was no evidence to corroborate the group's claims.