Presidents Putin and Macron, Prince Charles pay tribute to the 6 million Jews who perished in the Holocaust at unprecedented gathering of world leaders in Jerusalem.

"For any peace [agreement] to actually happen, there must be a reality check about Judea and Samaria/West Bank," former US envoy to the Middle East Jason Greenblatt says on Twitter, after UN Mideast envoy Nickolay Mladenov says annexation would "deal a devastating blow" to the prospect of Israeli-Palestinian peace.

Mohammed al-Issa, head of the Mecca-based Muslim World League, to head a delegation of Muslim religious leaders from over 24 countries to the Nazi death camp. American Jewish Committee chief: This is the most senior delegation of Muslim religious leaders to visit Auschwitz ever.

Seventy-five years after the fact, the memory of Auschwitz no longer belongs solely to the Jewish people and the descendants of those murdered – it belongs to all of humanity.

We must launch a widespread war on anti-Semitism and hatred wherever they rear their heads. Doing so will demonstrate true respect for those who perished and bring a comforting semblance of meaning to their sacrifice.