A useful article relating to Government intervention in markets, good discussion point for ALevel Economics students:
https://www.bbc.co.uk/news/uk-england-46788530
Edexcel spec reference 1.4.1 Government intervention in markets
AQA spec reference 4.1.8.9 Government intervention in markets
OCR spec reference P16 Explain, with the aid of a diagram, how government intervention in markets corrects or reduces market failure and inequity by using, for example: o taxation and subsidies