A Qatari who was held in the United States since 2001, part of the time as an "enemy combatant," has been released and returned to Doha on Saturday, a family member told AFP.
A nephew of Ali bin Kahlah al-Marri said he was in good health and had been welcomed at Hamad International Airport by family and friends.
Marri, who is a U.S. resident, had been serving a 15-year sentence after pleading guilty in 2009 to one count of conspiracy to provide material support to a terrorist organization.
Details on where Marri was held and the terms under which he was released were not immediately available.
His nephew, Saleh Kahla, said Marri had received a joyous welcome.
"Thank God his health and spirits are very excellent, His spirits were better than ours as we did not expect him to be in such good state."
Marri, who is married and has five children, originally went to the United States to study.