A man holds a copy of the Evening News announcing the death of King George VI, as seen in our momentous newsreel, "Britain Mourns", of 1952.
British Pathé were actually busy filming "Princess In Kenya" as part of Princess Elizabeth's Commonwealth tour when the King died. This film was never completed due to the sudden news of the King's death.
Film: Britain Mourns
says
It's incredible to think how young Elizabeth was when she became The Queen, and without any time to greave personally it seems she just threw herself into the role of Queen - a real natural leader!