Birmingham co-owner David Sullivan has vowed to quit the club after fans protested against the board when relegation was confirmed on Sunday.And David Gold may step down as chairman after the abusive aimed towards the directors box once it became clear there would be no 11th hour escape from the drop.

Fans chanted the 'the board must go' as wins for Reading and Fulham meant City's 4-1 home win over Blackburn was in vain.

Sullivan's two young sons, David Junior and Jack, were moved for their own safety.

Now Sullivan is urging Gold to buy out his stake in the Midlands club so he can end a 15-year association.

"These people [the fans] don't know anything about business and nothing about football. I've had enough. I don't want to be here next season," said Sullivan.

"All those out there who want to buy it [the club], they can.

"Please buy me out David [Gold]. There are five or six clubs out there who would welcome me with open arms. It is time for me to go to a new club."

Sullivan and Gold were willing to sell last summer but the protracted and ultimately failed bid by Carson Yeung has contributed to the turmoil which has engulfed Blues for much of the season.

Gold may also step down as chairman, saying on Sunday: "If it is the majority (who want him to quit) I will be left with no alternative but to resign as chairman."

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