Kweku Adoboli, a 31-year old trader in UBS’s London-based exchange traded funds business, was arrested on Thursday morning in connection with a $2bn loss due to unauthorised trading at the Swiss group’s investment bank.

UBS declined to comment, other than saying the loss had been caused by “a trader” and the matter was under investigation.

via UBS trader Adoboli held over $2bn loss – FT.com.