A man from Harrow has been arrested after an investigation into a suspected £12million VAT fraud.

HM Revenue and Customers investigators raided more than a dozen residential and business premises across Harrow, Barnet, Watford and Chesham on Tuesday.

Two people from Buckinghamshire, three men from Hertfordshire, and one man from Barnet were also arrested in connection with the investigations.

All seven have been interviewed and released on bail until July 7.