The headquarters of Kataeb Hezbollah, or Hezbollah Brigades militia, lies in ruins in the aftermath of a U.S. airstrike in Qaim, Iraq, Monday, Dec. 30, 2019. The Iranian-backed militia said Monday that the death toll from U.S. military strikes in Iraq and Syria against its fighters has risen to 25, vowing to exact revenge for the "aggression of evil American ravens." (AP Photo)
The ruins of the Kataib Hezbollah militia headquarters in Qaim, on the Iraqi side of the border with eastern Syria, after US air strikes on December 29, 2019. AP Photo

Syrian observers report deadly air strikes on Iraqi militia