US hits hard at militias in Iraq and Syria, retaliating for fatal drone attack  9NewsUS reprisals against Iran-linked groups anger Iraq, Syria  news.com.auUS carries out retaliatory strikes on Iranian-linked militia targets in Iraq and Syria  CNNU.S. launches strikes in Iraq, Syria, nearly 40 reported killed  ReutersUS raids in Iraq and Syria: How retaliatory airstrikes affect network of Iran-backed militias  The Conversation United States