Sadiq Khan faces prospect of Tory rival amid growing pressure

The London mayor is beset with concerns about knife crime, transport and housing Sadiq Khan faces the prospect of a Conservative challenger from September at a time when there are concerns about knife crime, questions about Transport for London’s finances, and uncertainty about how far the capital’s mayor is able to address the housing crisis.Khan has completed more than half his term of office and while there is widespread support for his “London United” response to last