The opposition fighters have said the campaign was in response to stepped-up strikes in recent weeks against civilians by the Russian and Syrian air force on areas in rebel-held Idlib, and to preempt any attacks by the Syrian army.
Opposition sources in touch with Turkish intelligence said Turkey, which supports the rebels, had given a green light to the offensive.
What do the blue and red arrows even mean? Friend and foe?
Blue is supporting and red attacking
Turkey is also at war with Rojava
This is outdated. The US (represented by Israel) supports ISIS now.