Marines have moved into Los Angeles to guard a federal building after a week of protests against immigration raids, while communities across the country are preparing for demonstrations against President Donald Trump’s polices this weekend.

Of the ten most recent polls which surveyed voters on immigration, six show Trump with a negative net approval rating on immigration.

John Simpson, in discussion with the BBC’s unparalleled range of experts across the world, analyses Donald Trump’s decision to deploy troops to tackle protests over immigration raids in Los Angeles, examines the impact at home of Russia’s war casualties in Ukraine,