Donald Trump has said his administration must focus its crackdown on immigration by targeting “illegal aliens” in the the largest US cities, as the White House cools on raiding farms amid a backlash from the agricultural sector and other vulnerable industries.

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,