In Syria, at least 16 people were killed in air strikes on a prison in the rebel-held northwest city of Idlib. The Syrian Observatory for Human Rights monitor said that the dead included prisoners and prison guards. The Observatory said guards opened fire in the aftermath of the strike on fleeing prisoners, and there were initial reports of additional casualties in that fire. According to the Observatory, the strikes were believed to have been carried out by Russian warplanes.<br/>'Idlib city became the second provincial capital to fall from Government control when it was captured in March 2015 by the Army of Conquest, an alliance led by former Al-Qaeda affiliate Al-Nusra Front, later known as Fateh al-Sham. More than 320,000 people have been killed in Syria since the conflict began six years ago with anti-government protests.