Britain’s Conservative Party suspended one of its lawmakers on Saturday after he said the mayor of London, Sadiq Khan, was under the control of Islamists. The decision to sack Lee Anderson comes as pressure had been growing on Prime Minister Rishi Sunak’s Tories to act following the lawmaker’s contentious remarks Friday, which have been widely condemned as racist and Islamophobic. It comes as incidents of Islamophobia and anti-Semitism have spiked across the UK amid increased polarisation since the outbreak of the war in Gaza last October. Khan, the first Muslim to be mayor of London and a member of the...