A joint Russian-Turkish patrol passes through the M4 highway on the outskirts of the rebel town of Ariha in Idlib, May 7, 2020. AFP
A joint Russian-Turkish patrol passes through the M4 highway on the outskirts of the rebel town of Ariha in Idlib, May 7, 2020. AFP

Syria clashes kill 22 in highest toll since Idlib truce, monitor says