World Cup corruption low risk -Alex Marshall
The ICC's anti-corruption chief, Alex Marshall, says he cannot guarantee a clean World Cup but that it is low risk.
Marshall added he had written, called or whatsapped about 12 known corruptors to tell them not to come anywhere near the tournament.
An anti-corruption manager has also been embedded in each of the 10 countries taking part. The World Cup starts with England' game against South Africa on 30 May.
Marshall said We've done training sessions around what we would do if there was a corruption issue at the World Cup..
The International Cricket Council charged former Sri Lankan internationals Nuwan Zoysa and Avishka Gunawardene with match-fixing earlier this month.
Ex-Sri Lanka captain Sanath Jayasuriya was also banned from the game for two years in February after he admitted two breaches of the anti-corruption code.
In a documentary by Al Jazeera, there have also been allegations of corruption against players from England and Australia, whose governing bodies have denied the claims.