UK makes ‘significant’ bomb arrest but attack seen imminent

LONDON (AP) — British police made an apparent breakthrough Saturday in the race-against-time subway bombing investigation with what they called a “very significant” arrest, but the country remained on a “critical” alert, meaning that another attack is judged imminent.
Police arrested an 18-year-old man in the port of Dover — the main ferry link to France — and then launched a massive armed search in the southwestern London suburb of Sunbury in which they