London attack: British-born assailant was known to security service, says PM

Westminster attack Live / Westminster attack: Theresa May says British-born assailant was known to MI5 Parliament to resume with tributes to PC Keith Palmer, police officer named as one of four dead in Wednesday's terrorist attack in London Victim named / Spanish teacher Aysha Frade was hit by car driven by attacker headlines Trump administration / Russia inquiry's independence in 'grave doubt' Encryption / Man jailed until he unlocks hard drives in child abuse images case Wisconsin shootings / Four dead after family dispute at bank 'I'm no longer safe in the US' / Immigrants make sub-zero trek for slim chance at asylum in Canada Healthcare bill / Trump makes last-ditch pitch to Republicans Undocumented immigrants / Fear of deportation means crime may go unreported, activists warn spotlight Tiny houses / Salvation for the homeless or a dead end? Depending on who you ask, moving homeless people into wooden cabins either rescues them from the streets or paves the way for shantytowns Neil Gorsuch / When the supreme court nominee put corporate interests over a man freezing to death Sheriff David Clarke Jr / The black Democrat who is Trump's favorite cop Dave Chappelle / Stand-up specials review: 'More interested in re-litigating the past' A kaleidoscope of legs / Busby Berkeley's flamboyant dance fantasies 24 hours in a Detroit ER / The frontline of the health debate opinion First she became a 13-year-old internet meme. Now, she's treated like a porn star Nancy Jo Sales Does the 'Cyrus prophecy' help explain evangelical support for Donald Trump? James S Gordon Rex Tillerson is clearly out of the loop and out of his depth in Trumpland Jonathan Freedland sports USA crush Puerto Rico 8-0 to clinch first ever World Baseball Classic title NBA / Was Steph Curry's transformation into a supervillain inevitable? As a Peru fan, I know the ritual agony of World Cup qualifying Luis Miguel Echegaray Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396