Homeland Security Secretary Nielsen unveils the first phase of Trump’s $1.6bn 30ft metal wall at the Mexican border as the administration says ‘everything is on the table’ to keep the migrant caravan out

A 30-foot fence spanning two miles has been erected at a Calexico site in Imperial City California Homeland Security Secretary Kirstjen Nielsen spoke at the Mexico-US border as a migrant caravan from Honduras headed towards the US Mission is expected to run from October 30 to December 15 in California, Arizona...