Nizar Zakka (C), a Lebanese national and US resident arrested in Iran in 2015 and sentenced to 10 years in jail on espionage charges, gives a press conference in Beirut after he was freed in early June.

Nizar Zakka (C), a Lebanese national and US resident arrested in Iran in 2015 and sentenced to 10 years in jail on espionage charges, gives a press conference in Beirut after he was freed in early June.