King Charles' Coronation will see snipers on rooftops and the use of anti-drone technology amid concerns terrorists or protestors could target next week's event.
Thousands of police officers will be deployed to London's streets on May 6 as part of a huge security operation - dubbed Operation Tower of London - to guard the Crown Jewels from any potential thieves.
They will be backed up by elite teams of armed guards, snipers and the military.