A branch of the US Immigration and Customs Enforcement (ICE) will help with security for the Winter Olympics in Italy, it confirmed Tuesday, sparking anger and warnings they were not welcome. Reports had been circulating for days that the agency embroiled in an often brutal immigration crackdown in the United States could be involved in US security measures for the February 6-22 Games in northern Italy.

In a statement overnight to AFP, ICE said: "At the Olympics, ICE's Homeland Security Investigations (HSI) is supporting the US Department of State's Diplomatic Security Service and host nation to vet and mitigate risks from transnational criminal organisations.