Bashar al-Assad
Meanwhile, the country is kicking out thousands of Colombians.
The militant group already controls much of Syria's oil fields.
Paris will start reconnaissance flights over Syria from Tuesday.
Sweida has until now largely stayed out of the war.
WHAT'S HAPPENING
It was the worst bombing in the city since the war began.
The National Coalition for Syrian Revolutionary and Opposition Forces said the attack aimed to inflict as many civilian casualties as possible.
On the plus side, "The window has opened a crack for us to get a political resolution."
Pentagon spokeswoman Commander Elissa Smith refused to comment on the rules of engagement, but said the U.S. military's program focuses "first and foremost" on combating Islamic State militants.