Letter size a green voucher, oversize a yellow voucher, parcel size a maroon voucher.

FORBES: Ernst & Young Outline New Vision of Patient-Centric Healthcare

In his letter to Home Office Minister Damian Green, Sir Michael outlined the discrepancy between the two sets of figures.

BBC: UK Border Agency

Veteran peace protester Brian Haw, who has been living in the square since 2001, has not been served a letter as his camp is on the green which comes under the remit of the Greater London Authority.

BBC: Parliament Square camp protesters face legal action

The green hairstreak was down by 68% and the white-letter hairstreak down 71%.

BBC: Butterflies suffered in cold and wet 2012, says charity