London Mayor Sir Sadiq Khan has sparked outrage by insisting the pro-Palestine slogan "From the river to the sea" is not inherently anti-Semitic, insisting its meaning hinges on "context". The Labour politician's remarks, delivered during a heated Mayor's Question Time at City Hall on Thursday, came amid simmering tensions over London's ongoing pro-Palestinian protests. They follow a deadly terror attack on a Manchester synagogue last week, during which demonstrators took to the streets chanting the controversial phrase. Conservative City Hall leader Susan Hall confronted Sir Sadiq directly, demanding: "Do you think to scream 'From the river to the sea', which...