A Palestinian activist who was detained for over three months in a US immigration jail after protesting against Israel is suing Donald Trump's administration for $20m (£15m) in damages. Lawyers for Mahmoud Khalil have filed a claim against the administration alleging he was falsely imprisoned, maliciously prosecuted and smeared as an antisemite as the government sought to deport him over his role in campus protests. The 30-year-old graduate student at Columbia University told Sky News's lead world presenter Yalda Hakim being detained by ICE agents in March "felt like kidnapping". He described "plain-clothed agents and unmarked cars" taking him "from...