One of the men was stabbed by his colleague before a crowd intervened and stoned the culprit to death in the densely populated Githurai Kimbo Estate.Trouble started when a group of youths differed on predictions of results after Ghana's opener.Ghana's chance to make history as the first African country to reach a World Cup semi final, ended Friday night after they bowed out of the tournament in post match penalties.Last year, a Kenyan fan of Premier League side Arsenal committed suicide after the team was eliminated by rivals Manchester United in the Champions League.