CELTIC suffered a humiliating defeat last night in one of the biggest upsets in the history of the Scottish Cup.

The Parkhead team crashed out of the competition 3-1 to Highland minnows Inverness Caledonian Thistle, formed just five years ago, in the re-arranged third-round tie at Celtic Park.

The first division side's triumph plunged Celtic further into crisis, following their 3-2 defeat by Hearts in the league on Saturday which left them trailing Rangers by 10 points.

About 200 fans stayed behind for more than two hours after the game to vent their anger. Many called for the resignations of head coach John Barnes, director of football operations Kenny Dal-glish, and chief executive Allan MacDonald.

Later, Barnes admitted his position would be in serious doubt unless results improved. ''To be honest if the situation does not improve by the end of the season, I won't have to consider my situation, it will be done for me.''

Typical of the protesters was life-long Celtic fan, Gerry Moffat, 40, from the Gorbals, who said: ''Inverness Caley showed more heart tonight than Celtic teams have done in the past 10 years.''

John Scullion, 36, from Parkhead said: ''I am disgusted. Barnes, Dalglish and MacDonald must go.''

The result was one of the biggest shocks in the Cup since Berwick Rangers beat Rangers 1-0 in 1967.

To add to Celtic's woes, Barnes admitted there had been a half-time bust up involving Mark Viduka, the team's leading goal scorer. Viduka was replaced for the second half by Ian Wright.

Celtic stunned Back Page