Three men have been arrested in connection with an internet scam targeting online banking customers.
The suspects, one from Nigeria and two from Romania, were held at a central London hotel on Monday night.
They are are being questioned on suspicion of conspiracy to defraud and money laundering.
The arrests followed reports that 2,000 phishing pages, which copy genuine bank sites, were put online to dupe people into entering confidential details.
A large number of accounts were then illegally accessed and had money withdrawn