London Tube attack latest: Arrest made as terror threat raised to 'critical' - CNN
| CNN | London Tube attack latest: Arrest made as terror threat raised to 'critical' CNN London (CNN) [Breaking news update, posted at 5:55 a.m. ET]. Police arrested an 18-year-old man Saturday morning in the port area of Dover in connection with an attack on a train at a London Underground station a day earlier, London's Metropolitan ... British police make 'significant arrest' in London subway terror attack Homemade bomb on London subway car that injured 29 people raises UK threat level to 'critical' London tube bombing: 18-year-old man arrested in Dover - live updates |