Pop superstar Taylor Swift plays the first of five shows at London's Wembley Stadium on Thursday night, but fans without tickets, who typically gather outside venues where she plays, have been told to stay home amid increased security after her shows in Vienna were cancelled last week because of a foiled terrorist plot. »»» Subscribe to CBC News to watch more videos: Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: Follow CBC News on TikTok: Follow CBC News on Twitter: Find CBC News on Facebook: Follow CBC News on Instagram: Subscribe to CBC News on Snapchat: Download the CBC News app for iOS: Download the CBC News app for Android: »»»»»»»»»»»»»»»»»» For more than 80 years, CBC News has been the source Canadians turn
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