The death has taken place of the former England and Republic of Ireland assistant manager Bobby Robson at the age of 76.
Robson been fighting cancer for a number of years.
He played for Fulham and West Brom during the 1950s and 1960s, and later went on to manage Fulham, Ipswich, PSV, Sporting Lisbon, Porto, Barcelona and the club he supported as a boy, Newcastle.
He spent 13 years as manager of Ipswich Town where he guided them to the FA Cup and UEFA Cup.
He was appointed England manager in 1982, and while he was often at the receiving end of much criticism from the press, Robson did lead his country to the 1990 World Cup semi-final where they lost out on penalties to Germany.
A statement issued on behalf of his family said: 'It is with great sadness that it has been announced today that Sir Bobby Robson has lost his long and courageous battle with cancer.
'He died very peacefully this morning at his home in County Durham with his wife and family beside him. Sir Bobby's funeral will be private and for family members only.
'A thanksgiving service in celebration of Sir Bobby's life will be held at a later date for his many friends and colleagues.'
FAI President David Blood said that Sir Bobby had left a lasting legacy in the football world:
'Sir Bobby was a legend in the world of football and it was with great sadness that I learned of his passing this morning. We were honoured when Sir Bobby joined the association and throughout his time involved with the FAI his knowledge and passion for the game was invaluable.
'Aside from his many successes on the pitch, Sir Bobby will be best remembered for his humour, his decency and his well deserved reputation as one of the true gentlemen of the game.
On behalf of the FAI, I would like to extend my sincerest sympathies to his family. Sir Bobby gave so much to the world of football and he will be greatly missed.”
FAI Chief Executive John Delaney said that Sir Bobby will be remembered as a great man who touched the lives of people around the world.
'Sir Bobby’s contribution to the sport of football is immeasurable. His success was rooted in the fact that he was a thoroughly genuine man and was at all times an absolute gentleman. It was a privilege for me to have worked with him, and I was always struck by his enthusiasm, his love of the game and his professionalism.
'Sir Bobby represented football and the FAI with the pride, passion and dignity which earned him a place in the hearts of football fans around the world. He will be sadly missed.'
Former Newcastle assistant manager Terry McDermott hailed Robson's bravery over the duration of his long battle with cancer.
'It's devastating,' he told Sky Sports News.
'Everybody knew it was coming. The people who've seen him at the weekend at the charity game, you could see he wasn't a well man. It shows the courage of the man to actually turn up in front of 33,000 people and get the fitting send-off he deserved because he's a fantastic football person.
'Everybody knew he was in trouble and he was going to die but it's still a shock to everybody. Everybody remembers him obviously for being a nice person but what a great football person as well.
'He'll be sadly missed by everyone, not just Newcastle but football in general.'
Former England defender Paul Parker, who was part of Robson's 1990 World Cup squad, said he was a manager who inspired players to perform.
'When I was with the England side he was a fantastic person to play for. The way he asked you and told you do stuff - you really wanted to do it for the man,' Parker told Radio Five Live.
'With his love and his drive you just wanted to perform for him. Everybody loved playing for Bobby, he was one of the few managers everybody took to. He was just a wonderful man to play for.'
Former England and Newcastle captain Alan Shearer paid tribute to a 'great man.'
'He will be sadly missed by everyone, not just by people in the football world but from all walks of life,' Shearer said.
'It's a very sad day for everyone, especially his family, his close friends and anyone who's ever worked with him.'
Glenn Hoddle, who played under Robson for England, told Sky Sports News: "He's the closest we've come to winning the World Cup (since 1966) - that's how good Bobby was.'
Former England striker Gary Lineker, who played under Robson at the 1986 and 1990 World Cups, said: "He had a tremendous enthusiasm and passion for football and life and continued to retain this right to the last days of his life.'
Inter Milan boss Jose Mourinho owes much to Robson too - he was working as a schoolteacher when Robson gave him a job on his coaching staff at Sporting Lisbon before taking him with him to FC Porto and Barcelona.
Mourinho said: 'It is difficult to accept such a person is no longer with us - but he is immortal because he leaves in everybody who knows him a mark of his personality - a great coach but, more than that, a great person.'
