Former Liverpool manager Gerard Houllier has died after a long battle with an undisclosed illness. He was 73 years old.

Houllier was in charge of Liverpool between 1998 and 2004 and won six titles for them both domestically and on the continent, except the Premier League.

His most successful year at Anfield was when he led them to win a treble in the 2000-01 season. They won the UEFA Cup, the FA Cup, and the EFL title.

Houllier’s last job as a football coach was with 4th Aston Villa between 2010 and 2011 having joined them from French League side, Lyon.

Although the cause of death is unknown, there a reports on media that he died of a heart problem.

French radio station RMC sport and sports newspaper L’Equipe claim Houllier died after having a heart operation in Paris.

During the 2000-01 season, he was said to have been rushed to the hospital after suffering a vascular problem during a Premier League match against Leeds United.

He spent grossly 11 hours of open-heart surgery in the theatre after suffering heart conditions known as ‘dissection of the aorta’.