Scottish officials said their original accommodation was "unsafe and unfit for human habitation". There have been reports of stray dogs, stagnant water and human faeces being found at the unfinished Games village.
Organising committee secretary-general Lalit Bhanot insisted the situation is under control: "We are aware of the concern show by some members who are here in connection with the participation in next month's Commonwealth Games. [But] we are confident that when the teams arrive on the evening of September 23, the residential wing will be clean.
"We have started work in the 32 towers and will complete it before the arrival of the athletes. In fact, we have cleaned apartments in more than 60 per cent of the towers."
Yesterday a footbridge being built just outside the main stadium collapsed, injuring 27 people, and on Sunday two foreign visitors were shot by suspected militants in Delhi.
Englishman Phillips Idowu, the reigning Commonwealth triple-jump champion, said he will not defend his title because of the various problems surrounding the Games.
"Sorry people, but I have children to think about," he said on Twitter. "My safety is more important to them than a medal...I understand people will be disappointed that I will not be competing. I am disappointed...All the press today about bridges collapsing and 23+ people being hurt, floods and unhabitable [sic] living conditions, getting my daughter ready for school this morning and seeing all of that put me off."
