Buckingham Palace Increases Security Presence After Scare

British police in London are deploying 27,000 officers for King Charles' coronation. Security presence was stepped up after a scare at Buckingham Palace just days prior to the historic event. A man is suspected of throwing gun cartridges onto the grounds at Buckingham Palace. Inside Edition's Alison Hall witnessed the suspect's arrest. The scare comes as a full dress rehearsal of the grand coronation procession was held. Watch Good Morning Britain's coronation special on Saturday, May 6, from 6 a.m. on ITV1 & ITVX. Plus, you can watch it on BritBox International in the U.S.