The UK Consumer Prices Index (CPI) annual inflation rate rose to 4% in January, up from 3.7% in December, as the effects of the VAT rise were felt.
http://www.bbc.co.uk/news/business-12462901
Open letter from Mervyn King to George Osborne:
http://www.bankofengland.co.uk/monetarypolicy/pdf/cpiletter110215.pdf
Inflation statistics:
http://inflationstats.com/uk/
