In a viral video, a man declared to assassinate Queen Elizabeth II to avenge the Jallianwala Bagh massacre. The fully masked man with a crossbow in the video that surfaced on social media identified himself as an Indian Sikh. As per reports, the video is linked to an armed intruder who was arrested at the monarch’s Windsor Castle on December 25. The man who held a black weapon and spoke in a distorted voice shared the video on Snapchat. The 19-year-old intruder has not yet been named by the Metropolitan Police and has been held over mental health issues. Scotland Yard officers were investigating the video reportedly linked to the intruder arrested at Windsor Castle on Dec 25. Watch the full video for more.