Syrian rebels have entered another major city, in a further blow to President Bashar Assad after they took over Aleppo days earlier.

Syrian rebels have swept through parts of the country at lightning pace, taking control of the the second-largest city, Aleppo. But who are they and what are their aims?

The couple received PCR tests after experiencing minor symptoms consistent with the virus, according to an official statement. Both are in "good health and in a stable condition," it said.