Birmingham have confirmed Alex McLeish has resigned as manager at St Andrews.
McLeish informed the club of his decision to resign in an email to acting chairman Peter Pannu.
As revealed by skysports.com the former Scotland boss is thought to be the front-runner for the manager's job at city rivals Aston Villa, with the 52-year-old believed to be keen to speak to their Second City rivals.
McLeish's future at Birmingham has been the subject of speculation for some time amid reports of strained relations with the club's board.
Email resignation
Birmingham backed McLeish in the wake of their relegation from the Premier League, but put pressure on him to win promotion at the first time of asking.
McLeish has now decided to quit St Andrews as he looks for pastures new and he could be quickly back in work with Villa targeting him as a replacement for Gerard Houllier
A Birmingham statement read: "Birmingham City Football Club can confirm that Alex McLeish has resigned as manager.
"Acting chairman Peter Pannu received an email resignation from McLeish earlier today while away on business in Amsterdam."
McLeish informed the club of his decision to resign in an email to acting chairman Peter Pannu.
As revealed by skysports.com the former Scotland boss is thought to be the front-runner for the manager's job at city rivals Aston Villa, with the 52-year-old believed to be keen to speak to their Second City rivals.
McLeish's future at Birmingham has been the subject of speculation for some time amid reports of strained relations with the club's board.
Email resignation
Birmingham backed McLeish in the wake of their relegation from the Premier League, but put pressure on him to win promotion at the first time of asking.
McLeish has now decided to quit St Andrews as he looks for pastures new and he could be quickly back in work with Villa targeting him as a replacement for Gerard Houllier
A Birmingham statement read: "Birmingham City Football Club can confirm that Alex McLeish has resigned as manager.
"Acting chairman Peter Pannu received an email resignation from McLeish earlier today while away on business in Amsterdam."