Retrieved 22 March 2017. Cite news URL http://www.usatoday.com/story/news/world/2017/03/22/attack-uk-parliament-what-we-know/99490308 Source title 'Terror' attack near U.K. Parliament: What we know Name of publication USA Today URL access date 22 March 2017 ↑ "Westminster is in lockdown and Parliament suspended after 'terror' attack".