Watch bystanders tackle London terror attacker

Dramatic video shows a group of bystanders' heroic actions in subduing the London Bridge terror attacker Usman Khan, one by spraying him with a fire extinguisher and another by wielding an apparent narwhal tusk.

from CNN.com - RSS Channel - HP Hero https://www.cnn.com/videos/world/2019/11/30/narwhal-tusk-london-bridge-attack-orig-acl.cnn
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