Smoke rises above opposition held areas of the Daraa province countryside during airstrikes by Syrian regime forces on June 27, 2018. Mohamad  Abazeed/AFP
Smoke rises above opposition held areas of the Daraa province countryside during airstrikes by Syrian regime forces on June 27, 2018. Mohamad  Abazeed/AFP

UN envoy: Syria's Deraa the next Aleppo