Owen Haggerty, from Johnstone, arrived at Glasgow Airport on Friday night (April 4) after a conviction for physical assault was excused.
His mum Kirsty Reynolds shared a video of the emotional with her son at the airport on Facebook.
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She captioned it: “I am overjoyed to let you all know Owen is finally home after this horrible nightmare.
“Words can’t express our relief and gratitude as we welcome him back into our arms.
“Thank you all for your support, love, and prayers during this challenging time. We are looking forward to healing and moving forward.”
The 22-year-old was held in a detention centre in Bahrain following an incident on February 14.
Owen was told he would spend three month’s in the Gulf state’s Hidd Prison after he was handed a custodial sentence on Wednesday, March 19 for physical assault.
Kirsty then wrote letter to the King of Bahrain Hamad bin Isa Al Khalifa begging for a royal pardon with her request answered.
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We previously reported she told the Daily Record: “I can’t stop shaking. It is unbelievable news, it is just such a massive hurdle that we have overcome in the fight to bring Owen home.
“Johanna Baxter MP [representative for Paisley and Renfrewshire North] has been great and she was going to get his case raised in the House of Commons.
“I was on a call and I just saw the embassy number pop up, it came through three times.
“I opened up my laptop and it said ‘urgent call for Owen Haggerty’.
“My case worker came up and said she had some great news.
“I just burst out crying right away, I was in disbelief.”
Owen had been at an awards ceremony and was due to travel back home the next day before being detained after “attempting to stop a street brawl”.
He had been on duty in Bahrain for four months.
Kirsty thanked the public for their support during the ordeal.
She continued: “The case worker told us just to hang fire just now.
“There are a few things that need to go through at the prison.
“Before the royal pardon the Royal Navy said that they would be keen to get him back and check him over.”
“Everyone has just kept pushing. We’ve never given up on getting Owen out of prison.”