"It was the dearest thing in my heart, and they are dead," Ayham Mozan speaks from his hospital bed, mourning the death of his four children. A total of seven people were killed in a Russian strike in the Idlib region of northwestern Syria, the country's last major anti-regime stronghold. "We thought it was a nightmare," lamented the father of the family. IMAGES AND SOUNDBITES TO COMPLETE VIDI_32F8349_EN