Syrian government forces have unilaterally ceased fire in the northern Idlib province, the last major rebel stronghold, Russia said on Sunday, while opposition activists reported continued shelling and airstrikes.

Building damaged during fighting between Syrian government forces and rebels in northwestern Idlib province, Syria, May 14, 2019. /VCG Photo

Syrian government forces enter the town of Kafr Nabuda, about 40 kilometers north of Hama, Syria, May 11, 2019. /VCG Photo

Smoke rises above buildings during fighting between government forces and rebels at the town of Khan Sheikhun in the southern countryside of the rebel-held Idlib province, Syria, May 11, 2019.