Original sentence: He was ticketed for onward flight to Latin America via Cuba, but he did not board that flight.Snowden remained stranded in the transit zone until August 1, when Russian authorities granted him a one-year temporary renewable  asylum.passport, Snowden flew to Moscow's Sheremetyevo International Airport
Edited sentence: Snowden reportedly remained stranded in the transit zone until August 1, when Russian authorities granted him a one-year temporary renewable  asylum.Why he did not promptly do so is unclear.passport, Snowden flew to Moscow's Sheremetyevo International Airport, purportedly to take another flight to Latin America