Respects have been paid at a ceremony for Armistice Day at the Cenotaph in Whitehall.
Wreaths were laid at the foot of the monument, following a two-minute silence to remember Britain's war dead.
More top news
Cheryl Grimmer vanished from inside a beach shower block in Wollongong, Australia, in 1970, when she was just three.
Pc Keith Palmer was on the front line and because of his actions, the Westminster attacker was unable to kill anyone else.
People in their 30s face the possibility of drawing their pensions at 70, if the government follows the report's recommendations.