Dramatic moment have-a-go heroes tackle bloodied knifeman moments after he 'stabbed his girlfriend to death in front of their son, 5, near Seattle's Space Needle'

Dramatic video footage near Seattle’s Space Needle shows an elderly man putting his safety aside to march right up to the knifeman and squirt his…

Read More Dramatic moment have-a-go heroes tackle bloodied knifeman moments after he 'stabbed his girlfriend to death in front of their son, 5, near Seattle's Space Needle'