De Blasio said in a tweet that \"the disparity in the numbers does NOT reflect our values.\"

We HAVE TO do better and we WILL,\" the mayor wrote.

Brooklyn district attorney, Eric Gonzalez, also responded to the news in a statement to ABC News.

Gonzalez said the \"disturbing images of arrests for social distancing throughout our city serve to erode the progress that has been made in enhancing police accountability and strengthening trust in our criminal justice system.\"

He said his office is reviewing allegations of excessive force regarding arrests that took place in Brooklyn and will investigate to determine whether disciplinary recommendations or criminal charges are warranted.

\"PHOTO:
Spencer Platt/Getty Images
PHOTO: People walk along a street closed to vehicle traffic as the city expands areas for pedestrians to walk and to keep a recommended safe distance on May 4, 2020 in New York City.
>

While Gonzalez said that all New Yorkers should follow the social distancing rules, which is to stay six feet apart from others, he also said that enforcing those rules should consist of \"distributing masks, gloves, sanitizers and other measures to prevent the spread of the virus.\"⠀\"Any arrest under these circumstances should always be the last resort. Simply stated, we cannot police ourselves out of this pandemic,\" Gonzalez said. \"Instead, we need to give people the knowledge and ability to keep safe.”

6:17 a.m.: Drug maker says coronavirus vaccine trial could begin in weeks

A drug maker has been given the green light by the Food and Drug Administration to move to phase 2 of its coronavirus vaccine trial.

Moderna's chief medical officer Dr. Tal Zaks told ABC News that the next phase would begin dosing “very shortly,” which he said means in a matter of weeks. This puts the company on track to launch Phase 3 this summer.

“I only have two competitors, the virus and the clock,” Zaks said, speaking with ABC News remotely from his home in Massachusetts.

Moderna is leading one of at least three U.S. vaccine trials on humans.

“We need to bring forward, every potential vaccine that has the opportunity to help because time is of the essence,” Zaks said.

Tune into ABC at 1 p.m. ET and ABC News Live at 4 p.m. ET every weekday for special coverage of the novel coronavirus with the full ABC News team, including the latest news, context and analysis.

The company has not released results from its pre-clinical or phase 1 trials. Zaks says it’s still premature to disclose that information, but said their experience to date is what gives him confidence they’re on the right path.

Zaks said they envision being able to produce up to a billion doses a year. But he cautions, “it's not going to be a black and white moment that says okay now everybody can take it.” He expects government agencies “to step up and help us make sure that it is first available to those who need it.”

4:46 a.m.: TSA to require employees to wear 'facial protection' at screening checkpoints

After more than two months into the coronavirus pandemic, the Transportation Security Administration announced all employees must wear \"facial protection\" at screening checkpoints.

The agency said the practice \"will be implemented over the coming days.\"

“TSA is making this change to protect our employees and travelers as social distancing cannot always be maintained in the screening process.” TSA Administrator David Pekoske said in a statement Thursday.

In mid-March, the union representing TSA officers requested the agency provide surgical masks to employees and allow officers to wear N95 respirators. It took two weeks for the agency to do both. Currently, TSA is providing employees with N95s, eye protection and installing plexiglass at the travel document checker in some airports.

Multiple airports have already mandated that all employees and passengers must face coverings.

This comes as the number of air travelers continues to tick up and after all major U.S. airlines announced they would require both passengers and crew to wear face coverings.

TSA has had 534 federal employees test positive for COVID-19. As of Thursday morning, 285 of those employees have recovered, and six have died after contracting the virus.

\"PHOTO:
John Moore/Getty Images, FILE
PHOTO: Hospital workers help COVID-19 patient and Guatemalan asylum seeker Zully to take her first steps after being removed from a ventilator at a Stamford Hospital ICU on April 24, 2020 in Stamford, Conn.
>

What to know about coronavirus:

ABC News' Jennifer Joseph, Amanda Maile, Kaylee Hartung, Jenna Harrison, Mina Kaji, William Gretsky, Catherine Thorbecke, Aaron Katersky, Eric Strauss, Matthew Mosk, Lucien Bruggeman, Rachel Katz, Jordyn Phelps, Victor Ordonez, Katherine Faulders, John Santucci, Terrance Smith and Jamie Aranoff contributed to this report.

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