Keane (left) - sent home from World Cup.

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Hills have lengthened Republic of Ireland's World Cup odds from 80/1 to 100/1 after Roy Keane was sent home.

Keane was sent home from the World Cup following his criticism of the Republic of Ireland's preparations.

The Republic and Manchester United skipper orginally pulled out of the squad on Tuesday only to have a change of heart.

But Republic boss Mick McCarthy revealed that Keane was ordered to leave the camp after a clear-the-air meeting developed into a "slanging match" between the pair.

McCarthy said skipper Keane had been sent home because he was "a disruptive influence".

With Keane's influence enormous, Hills have also adjusted a number of markets on the Irish.

McCarthy's men are now 7/4 to fail to win a World Cup game, 14/1 from 20s to lose all three games and 4/7 to fail to qualify for the second round (5/4 to go through).

Hills have also extended the Irish from 13/8 to 15/8 to beat Cameroon in their opening game, shortening Cameroon from 11/8 to 5/4.

Ireland's odds to win the Group have also been pushed out from 7/2 to 9/2, with Germany 8/11 from 4/5 and Cameroon 9/4 from 12/5.

Hills spokesman Graham Sharpe said: "Ironically enough we have just carried out a survey of World Cup internet bets which showed that Irish punters have been the third most patriotic in backing their own team to win the World Cup, with only Denmark and Sweden producing a higher percentage of home punters backing their own country.

"I would be very surprised if that percentage doesn't slip significantly now."