In this photo provided by the Syrian Civil Defense White Helmets, Syrian White Helmet civil defense workers carry a victim next to a destroyed house that was hit by Russian airstrikes, in Maaret Musreen village, in Idlib province, Syria, on Thursday.

In this photo provided by the Syrian Civil Defense White Helmets, Syrian White Helmet civil defense workers carry a victim next to a destroyed house that was hit by Russian airstrikes, in Maaret Musreen village, in Idlib province, Syria, on Thursday.