"The London mayor, Sadiq Khan, has called on the British government to cancel a planned state visit by Donald Trump after being criticised in two tweets by the US president."
https://www.theguardian.com/us-news/2017/jun/05/donald-trump-attack-courts-travel-ban-london
https://www.theguardian.com/us-news/2017/jun/05/donald-trump-attack-courts-travel-ban-london