At least 58 people died when a boat capsized in Bahrain last week, during a party to celebrate the completion of a huge skyscraper project.
All tourist boat cruises in Bahrain were suspended after the disaster
Details are emerging of some of the 12 Britons and three people with dual nationality who were among the victims.
Family and friends of 59-year-old Jimmy Allen have paid tribute to him. Mr Allen was born in England but also lived in South Africa and had worked for engineering firm Murray and Roberts for 23 years.
His widow Pauline said he was a "caring, loving husband and father who really enjoyed life".
He also leaves a son, Carl, aged 39.
Newlywed Scott Belch, 33, a civil engineer for the firm Atkins, died along with his German wife Sandy, whom he married six weeks ago.
Mr Belch, from Redhill, Surrey, was a 6ft-tall "big loveable bear", said his parents.
His father, Jeff, said: "Civil engineering was always what he wanted to do.
"He was a big guy - kind, thoughtful, generous and loved children. He was so looking forward to being a dad."
Mr Braysher, 47, worked for Murray and Roberts as a commercial manager.
He lived in South Africa but had a British passport, his employers confirmed.
JASON BRETT AND LUCINDA LAMB
A young couple who moved from Surbiton, Surrey, to the Gulf state in 2004 were among the victims.
Jason James Brett, an assistant project manager for engineering and architecture company Atkins, and his wife Lucinda Lamb, who worked for a property consultancy, were named by Mr Brett's firm.
Jason Brett and Lucinda Lamb were thinking of settling in Bahrain
The couple - who married in Bahrain a year ago, a friend said - leave two young sons, Louis, three and Ethan, 18 months. Both sets of grandparents have travelled to Bahrain.
Tributes to the Britons, both in their early thirties, were paid by their employers.
Robin Williamson, managing director for DTZ's Middle East Operations, said: "Lucinda's death is a terrible loss. She was an exceptional professional and a very popular member of the team."
Bob Hope, Atkins' director for the northern Gulf, said: "Jason was an outstanding
employee and, together with Lucinda, we have lost both a friend and colleague."
A friend of the couple Vikki Lord, 36, said Ms Lamb - who is reported to have grown up in Yeovil, Somerset - was her "best friend".
She said the couple were looking at buying property and staying in Bahrain long-term.
"They loved it here and they had tons and tons of friends here. Everyone liked them and now everyone is just devastated."
Andrew Debrunner was an engineer who worked for Atkins, and may have had dual nationality.
PATRICIA AND ROSLYN DOYLE
A British mother and her daughter died on the cruise boat.
Patricia Doyle, 64, from Hagley, Worcestershire, had arrived in Bahrain on the morning of the disaster to visit her daughter Roslyn, 35, who was an English teacher with the British Council.
They had joined Roslyn's local friends aboard the boat for a company party.
Mrs Doyle was a sales co-ordinator for Rota Bolt in Dudley.
A family statement said: "To lose one family member in such a way is very hard to cope with but to lose two is unbearable for us all.
"Pat was a fantastic mother to all her four children. She travelled the world extensively through her work and lived life to the full. She was an energetic, warm, kind and generous person.
"Roslyn was very much like her mother, also travelling the world, both on holiday then later as an English language teacher in many countries. She was an adventurous, endearing and caring person.
"Both Patricia and Roslyn were loved by all that knew them and will be sadly missed."
David Evans, 56, a senior executive with engineering firm Murray and Roberts, was from Glasgow.
His former wife, Julie, said in a statement: "David and I had been married for 26
years and myself and our two children are devastated by our loss in this
"David lived between Bahrain and Glasgow, and engineering was his
Their two children are Gordon, 21, and Susan, 17.
Stephen Grady, 42, from Hebden Bridge, West Yorkshire, was a contract painter and decorator with Murray and Roberts.
His wife Stephanie, whom he married last summer, is five months pregnant their second child.
The couple have a two-year-old son Billy and Mr Grady also leaves a daughter Hannah, 16, from a previous relationship.
Mr Grady's wife described her husband as a "wonderful" father and husband who was popular among his friends and colleagues.
Friends at the Mytholmroyd Working Men's club described Mr Grady as "loveable".
"Jovial" Christopher Langan, 53, was an industrial surveyor who had been working in the Middle East for more than a decade.
His family said in a statement: "He was a hard working, down to earth and funny man who we will all miss."
Speaking from Bahrain his son, also called Christopher, said it was a "traumatic" time.
The 23 year old, from Darlington, said: "A great man has been lost."
Mr Langan, who was divorced and also leaves an 18-year-old daughter, worked for Bureau Veritas, a worldwide
"social accountability" firm.
A colleague in Bahrain said Mr Langan was "the most jovial guy in the office".
"It has been such a big shock. We keep expecting him to walk into the office at any minute. He was always joking, always laughing and always willing to do anything for people."
Father of two Phil Moody, 49, died after rescuing his wife Alison, his employers confirmed.
Phil Moody and his family made the move from the UK in 2002
A colleague, who gave his name only as Rajesh, said Mr Moody also rescued a second woman and had gone back under the water to try to save more people.
Mr Moody, from Southampton, went to Bahrain to take up the post of sales manager for UK-based firm RMD Kwikform in 2002, before being promoted to general manager.
His wife Alison is in Bahrain with the couple's two sons, aged 11 and 17.
Rajesh told Press Association: "First he rescued his wife and another lady and then removed water from her stomach and then he went under and after that we don't know what happened.
"Everybody here is remembering this man because he is a good man, you don't often see a man in this world like that."
Two senior managers from RMD Kwikform have travelled to Bahrain to speak to Mr Moody's family and officials.
Mr Nolan's wife Nicola survived the tragedy
Will Nolan, 50, from Ipswich, Suffolk, was director of the skyscraper project, with Murray and Roberts.
His wife Nicola, a nursery teacher, reportedly survived after being rescued.
She is consoling her 18-year-old daughter, who flew to Bahrain from England where she is studying, and 16-year-old son, who goes to school in Bahrain.
A friend of the deceased, Ivor Palmer, said: "The family are very upset and distraught. It's a huge tragedy."
The Gulf Daily News reported that Mrs Nolan was rescued by the coastguard.
Mr Palmer told the newspaper Mrs Nolan had gone up
to the upper deck about five minutes before the boat capsized.
"She went upstairs for some fresh air with one of her friends.
"She was thrown into the water and swam away from the boat and then swam back and got onto the hull."
Construction supervisor with Atkins, reported to be from Rotherham.