Westminster Attack Marked Beginning Of Wave Of Terrorist Activity

For more than two years, Britain had been on high alert. As terrorist attacks hit other European countries, UK authorities foiled plots, stepped up security preparations and issued warnings about the threat.Then, a year ago on Thursday, the danger that had seemed close but not quite here crystallised in 82 seconds in Westminster.Gunshots and sirens rang out around Parliament after Khalid Masood launched a murderous rampage at the centre of British democracy, killing five people before he was sho