Four of the world's top 40 universities are in London,according to the Times Higher Education rankings - although only one makes it into the top 10.
More top news
A witness said they saw a car ‘drive off really fast’ after the alleged incident.
Services were due to launch in December 2018, but a revised date of December 2019 will also not be met.
Millions of people all over the world are preparing to get involved.