From 2015 in the UK:

https://www.bloomberg.com/news/articles/2015-05-01/an-interv...

https://themanc.com/art-and-culture/manchester-graffiti-arti...

Other UK examples:

https://www.bbc.com/news/uk-england-tees-48068866

https://www.bbc.com/news/articles/cvg3q1p6502o