Biden and Sanders debate on Feb. 25 in Charleston, South Carolina. Photo: Win McNamee/Getty Images

Former Vice President Joe Biden and Sen. Bernie Sanders will not debate in front of a live audience in Phoenix, Arizona, this weekend, Phoenix Mayor Kate Gallego confirmed on Tuesday.

What's happening: There are two confirmed cases of the novel coronavirus in Arizona, and four presumptive positive cases, per the state health department. One confirmed case is travel-related, while the other confirmed case and all presumptive cases are believed to have been transmitted person-to-person.

What they're saying: The lack of a live audience at Sunday's debate comes at the request of Biden and Sanders' campaigns, Gallego said.

"At the request of both campaigns and out of an abundance of caution, there will be no live audience at the Arizona debate taking place on Sunday, March 15th. The DNC has been in regular communication with local health officials and the Mayor's office, which advised that we could proceed as planned. Nevertheless, our number one priority has and will continue to be the safety of our staff, campaigns, Arizonans and all those involved in the debate. We will continue to remain in daily contact with all stakeholders through Sunday."
— Democratic National Committee communications director Xochitl Hinojosa in a statement.
"At the request of the campaigns and out of an abundance of caution, we have made the decision to eliminate the live debate audience, the press filing center and spin room in Phoenix."
— CNN, a cohost of the debate, in a statement.

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Hiroshima's Mayor Kazumi Matsui on Thursday urged the international community to work together to defeat the coronavirus pandemic and warned against an increase in "self-centered nationalism," per the Washington Post.

Why it matters: He said at a remembrance service on the atomic bombing of the Japanese city that the 1918 flu pandemic killed millions as countries fighting in World War I were unable to overcome the threat together, per DPR. "A subsequent upsurge in nationalism led to World War II," he added. The U.S. bombing of Hiroshima on Aug. 6, 1945 and Nagasaki three days later contributed to the end of World War II, but tens of thousands of people died. At the service, Prime Minister Shinzo Abe lamented nuclear weapons' "inhumanity," but he didn't mention Japan's wartime past, WashPost noted.

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