British police said Sunday they are treating a stabbing rampage in a park that killed three people as a terrorist attack. Dean Haydon, the U.K.’s coordinator of counterterrorism policing, said...

People arriving in the U.K. will have to quarantine themselves for 14 days and could be fined 1,000 pounds ($1,220) if they fail to comply under a plan being announced Friday by the British government. Home...