Photo: Ricardo Arduengo/AFP via Getty Images

Facing pressure and a lawsuit from Institute of Statistics, the Puerto Rican Health Department released death toll data, admitting that the devastating Hurricane Maria led to more than the 64 deaths the government had been claiming.

By the numbers: A recent Harvard study estimated that the real death toll was 4,645, which would have put it on par with the that of Hurricane Katrina. But these numbers released by the Puerto Rican government should not be viewed as the final, official death toll.

Flashback: An April research published in Health Affairs Monday showed that the lack of proper scientific data collection in Puerto Rico during and after Hurricane Maria hit the island last September resulted in the death toll being severely underreported — the real number is closer to 1,085 than the government's estimate of 64 — essentially limiting necessary financial and other aid resources.

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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.

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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.