© Licensed to London News Pictures. 10/04/2017. London, UK. Officers line the route as the funeral cortege carrying the coffin of policeman Keith Palmer leaves from Southwark after a service was held at the cathedral. PC Palmer was murdered just inside the main gates of Parliament by Westminster attacker Khalid Masood - an attack in which he also killed four people on Westminster Bridge. PC Palmer's funeral will take place at Southwark Cathedral today. Photo credit: Peter Macdiarmid/LNP