The coffin of police constable Keith Palmer, killed in the March 22 Westminster terror attack, is carried past an honour guard composed of Palmer’s fellow officers from the Parliamentary and Diplomatic Protection Command (PaDP) into the chapel of St Mary Undercroft within the Palace of Westminster in central London yesterday, ahead of the funeral tomorrow. Palmer, a 48-year-old member of the parliamentary protection force, was one of five people who were killed by Khalid Masood, in the terror attack outside the Houses of Parliament.