NEW : United Nations secretary - general expresses ` ` grave concern '' about Iran . Iran , Russia and Syria condemned the attack . Syria 's Foreign Ministry summoned the commander of U.N. forces in the Golan Heights on Thursday to formally complain about the incident , while Iran 's deputy foreign minister , Hossein Amir Abdollahian , warned the attack would have `` dire consequences '' for Israel , according to Iran 's semiofficial Mehr News Agency . Syrian claims that strike hit research center are wrong , U.S. officials said . Sources say the airstrike hit a convoy hauling missile parts .
NEW : United Nations secretary - general expresses ` ` grave concern '' about Iran . Iran , Russia and Syria condemned the attack . Syrian claims that strike hit research center are wrong , U.S. officials said . Sources say the airstrike hit a convoy hauling missile parts .