Sadiq Khan is currently Mayor of London; how has this position been attained?
Greater London Authority: The Greater London Authority (GLA) is a top-tier administrative body for Greater London, England. Greater London Authority:  It consists of a directly elected executive Mayor of London, currently Sadiq Khan, and an elected 25-member London Assembly with scrutiny powers. Sadiq Khan: Sadiq Aman Khan {'1': ", '2': ", '3': ", '4': "} (born 8 October 1970) is a British politician.
directly elected