Authorities in Washington, D.C., responded on Tuesday after a white powdery substance was discovered in mail sent to former President Obama's offices.

D.C. Fire and Emergency Medical Services (EMS) and Metropolitan Police Department said the substance was quickly cleared from the building, the headquarters for the World Wildlife Fund (WWF), where Obama leases space. The substance was found to be nonhazardous.

Police did not say where the substance came from or its intended recipient. It was discovered in the building's mailroom before authorities were called to the scene.

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"The incident is over as far as DC Fire and EMS is concerned," Vito Maggiolo, the public information officer for D.C. Fire and EMS, told The Hill. "Whatever the substance was, it was deemed to be nonhazardous."

Karimah Bilal, a spokeswoman for the Metropolitan Police Department, said that the situation was cleared shortly after noon. Both the FBI and the Secret Service, which provides protection to former presidents and their spouses, were on the scene as well, she said.

Fox 5 D.C. reported that mail containing the white substance was sent to the building from Hong Kong and had no return address. The Hill could not immediately verify that report.

#Developing: DC Fire & EMS Battalion Chief Edward Smith tells @Fox5DC a letter was mailed to World Wildlife Federation. Their building also houses former Pres. Obama offices. Letter from Hong Kong containing baby powder had no return address. pic.twitter.com/9zt1QDDIWx — Tom Fitzgerald (@FitzFox5DC) February 13, 2018

Brendan Rohr, a spokesman for WWF, told The Hill that the building returned to normal operations after authorities determined that the substance was not harmful.

"While I don’t have any further details I can confirm the mailroom received a suspicious package, appropriate procedures were followed and authorities determined it to be nothing harmful," he said in an email. "We’ve been given the all clear and the building is fully operational at this time."

Obama leased office space in the WWF headquarters in Northwest Washington in late 2016 to carry out his post-presidential work. The office is about a mile from the affluent D.C. neighborhood of Kalorama, where Obama and former first lady Michelle Obama Michelle LeVaughn Robinson ObamaNational Urban League, BET launch National Black Voter Day The Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE are living while their youngest daughter Sasha Obama finishes high school.

The incident came a day after President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE's daughter-in-law Vanessa Trump and her mother, Bonnie Haydon, were hospitalized as a precaution after they opened a letter containing a white powdery substance.

The letter was addressed to the president's eldest son, Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE The substance was later determined to nonhazardous.

--Updated on Feb. 14 at 1:51 p.m.