Coronavirus live updates: Wisconsin Supreme Court strikes down state's stay-at-home order

The Wisconsin Supreme Court struck down the state's stay-at-home order during the coronavirus pandemic as "unlawful, invalid, and unenforceable" after finding that the state's health secretary exceeded her authority. The order had been set to run until May 26.

Meanwhile, a Health and Human Services whistle blower, Dr. Rick Bright, is set to warn Congress on Thursday that "2020 will be the darkest winter in modern history" without clear action against the coronavirus, according to prepared remarks obtained by NBC News.

Here are some of today's top stories:

• Pandas in Canada zoo to return to China after bamboo shortage

• New Zealand mayor celebrates return of tourism with bungee jump

• 'This virus may never go away,' WHO says

And here's what to know about the coronavirus, plus a timeline of the most critical moments:

• MAPS: Confirmed cases in the U.S. and worldwide, confirmed deaths in the U.S. and globally.

• Reopening America: See what states across the U.S. are starting to reopen.

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