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President Trump after signing a National Security Presidential Memorandum and announcing the withdrawal of the U.S. from the Iran nuclear deal. Photo: The Washington Post/Getty Images

Iran has quadrupled its production of low-enriched uranium as of Monday, AP reports, citing Iranian news agencies.

The backdrop: This follows a tweet President Trump posted on Sunday, cautioning that Iran would face its "official end," should the nation threaten the U.S. again. The deepening conflict follows Trump's decision a year ago to unilaterally withdraw from the 2015 Iran nuclear deal. Both Washington and Tehran claim not to want war, however the Trump administration announced deployments of bombers and an aircraft carrier to the Persian Gulf over unspecified Iranian threats earlier in May.

Details: The uranium reportedly has only been enriched to the 3.67% cap established in the 2015 nuclear deal. Iran could soon exceed the stockpile restrictions outlined in the accord. Behrouz Kamalvandi, the spokesperson for Iran’s nuclear agency, said the increase in production does not mean Iran increased the number of centrifuges in use, another requirement of the deal, per AP.

Go deeper: Why war with Iran is suddenly on the table

Go deeper

Broncos and 49ers the latest NFL teams impacted by coronavirus crisis

From left, Denver Broncos quarterbacks Drew Lock, Brett Rypien and Jeff Driskel during an August training session at UCHealth Training Center in Englewood, Colorado. Photo: Justin Edmonds/Getty Images

The COVID-19 pandemic has thrown the NFL season into chaos, with the Denver Broncos' quarterbacks sidelined, the San Francisco 49ers left without a home or practice ground and much of the Baltimore Ravens team unavailable, per AP.

Driving the news: The Broncos confirmed in a statement Saturday night that quarterbacks Drew Lock, Brett Rypien and Blake Bortles were identified as "high-risk COVID-19 close contacts" and will follow the NFL's mandatory five-day quarantine, making them ineligible for Sunday's game against New Orleans.

Updated 5 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Health: WHO: AstraZeneca vaccine must be evaluated on "more than a press release."
  2. Politics: McConnell temporarily halts in-person lunches for GOP caucus.
  3. Economy: Safety nets to disappear in DecemberAmazon hires 1,400 workers a day throughout pandemic.
  4. Education: U.S. public school enrollment drops as pandemic persists.
  5. Cities: Surge in cases forces San Francisco to impose curfew — Los Angeles County issues stay-at-home order, limits gatherings.
  6. Sports: NFL bans in-person team activities Monday, Tuesday due to COVID-19 surge — NBA announces new coronavirus protocols.
  7. World: London police arrest more than 150 during anti-lockdown protests — Thailand, Philippines sign deal with AstraZeneca for vaccine.

Tony Hsieh, longtime Zappos CEO, dies at 46

Tony Hsieh. Photo: FilmMagic/FilmMagic

Tony Hsieh, the longtime ex-chief executive of Zappos, died on Friday after being injured in a house fire, his lawyer told the Las Vegas Review-Journal. He was 46.

The big picture: Hsieh was known for his unique approach to management, and following the 2008 recession his ongoing investment and efforts to revitalize the downtown Las Vegas area.