Photo: Jeremy Hogan/SOPA Images/LightRocket via Getty Images

Joe Biden will announce later Tuesday that he will back the impeachment of President Trump if the White House refuses to comply with requests for information from Congress.

The state of play, according to Biden's campaign: The former vice president will argue that Trump's latest scandal involving his phone call with Ukrainian President Volodymyr Zelensky lands on top of his other alleged abuses of power while in office, heightening the need for impeachment. He'll focus his case on the fact that the administration should comply with all outstanding requests for information from Congress — not just on Ukraine.

Go deeper: Momentum builds among Dems for Trump impeachment

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Unrest in Philadelphia after fatal police shooting of Black man

Demonstrators rally on Tuesday near the location where Walter Wallace was killed by two police officers in Philadelphia, Pennsylvania. Photo: Mark Makela/Getty Images

The Pennsylvania National Guard was mobilized Tuesday during a tense second night of protests in Philadelphia over the fatal police shooting of Walter Wallace, a 27-year-old Black man.

Driving the news: Philadelphia Jim Kenney (D) and Police Commissioner Danielle Outlaw said in a joint statement Monday that police were launching a "full investigation" to answer questions that arose from video that captured part of the incident with police.

Updated 52 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Politics: Obama: Trump is "jealous of COVID's media coverage" Axios-Ipsos poll: Federal response has only gotten worse.
  2. Health: Hospitals face a crush — 13 states set single-day case records last week.
  3. Business: Winter threat spurs new surge of startup activity.
  4. Media: Pandemic causes TV providers to lose the most subscribers ever.
  5. States: Nearly two dozen Minnesota cases traced to three Trump campaign events.
  6. World: Putin mandates face masks.

Louisiana braces for 3rd hurricane in 2 months as Tropical Storm Zeta nears

Municipality workers clean the streets of garbage in Playa del Carmen, Mexico, on Tuesday that was left by Zeta, which struck the Yucatan Peninsula as a Category 1 Hurricane a day earlier — causing no major damage to infrastructure. Photo: Medios y Media/Getty Images

Tropical Storm Zeta is expected to strengthen back into a hurricane and bring dangerous storm surge conditions to parts of the northern Gulf Coast on Wednesday, per the National Hurricane Center.

The state of play: Louisiana Gov. John Bel Edwards (D) requested a pre-landfall Federal Declaration of Emergency in a letter to President Trump on Tuesday, ahead of the storm's expected arrival south of New Orleans.