Watch live as the President of the State of Israel and the Prime Minister, dignitaries, survivors, children of survivors and their families, together with the general public mark the start of Holocaust Martyrs' and Heroes' Remembrance Day in Israel.

"I was really privileged and moved to meet survivors of the unimaginable horrors of the Holocaust as well as their children, their great-grandchildren and even their great-grandchildren," Mayor Sadiq Khan said.