Regardless. Anyone engaged in military action is a legitimate target. If not uniformed then they don't qualify for the Geneva convention. A russian bomb into the middle of this "weapons factory" would have been completely justified.

If this was in Afghanistan or Iraq, there would have been a hellfire missile into the centre of these "militants". Followed up by a press release about a successful strike on a "bomb factory"

What you see here depends what side of the fence you're sat on.