"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.

Member of Knesset Nachman Shai, a member of Israel's Labour party, called for his party to cut its ties with its British counterpart, saying it is no longer an ally after two more UK Labour Party members were suspended on Monday for posting anti-Israel messages on social media.

Just a day after British Labour Party lawmaker Naz Shah was suspended by the party for saying that Israel should be relocated to the United States as a solution to the Israeli-Palestinian conflict, Labour on Thursday suspended former London mayor Ken Livingstone—for saying that Hitler was a Zionist.