LONDON, ENGLAND - MARCH 07: Protest group Avaaz stages a demonstration against the ongoing violence in Yemen, with actors dressed as British Prime Minister Theresa May (L) and Saudi Crown Prince Mohammed bin Salman (R) outside the Houses of Parliament on March 7, 2018 in London, England. Saudi Crown Prince Mohammed bin Salman, who is currently taking part in a three-day UK visit, has made wide-ranging changes at home supporting a more liberal Islam. Whilst visiting the UK he will meet with several members of the Royal family and the Prime Minister. (Photo by Leon Neal/Getty Images)
