Krishnadev Calamur

Krishnadev Calamur is NPR's deputy Washington editor. In this role, he helps oversee planning of the Washington desk's news coverage. He also edits NPR's Supreme Court coverage. Previously, Calamur was an editor and staff writer at The Atlantic. This is his second stint at NPR, having previously worked on NPR's website from 2008-15. Calamur received an M.A. in journalism from the University of Missouri.

Updated at 5 p.m. ET

President Trump said that Iran appears "to be standing down" after Tuesday night's missile attack in Iraq and that "the American people should be extremely grateful and happy no Americans were harmed."

Trump, in a nationally televised address from the White House, also announced a new round of what he termed "punishing economic sanctions" against the Iranian government. And he called on NATO to become "much more involved in the Middle East process."

Updated at 1:25 p.m. ET

President Trump has responded to a video that appeared to show Justin Trudeau and other world leaders mocking him, calling the Canadian prime minister "two-faced."

Trump's remarks follow the president's Tuesday meeting with the Canadian leader in which the two men appeared to get along, though Trump needled Trudeau over Canada's defense spending.

The University of Birmingham in the U.K. says it has discovered a portion of a Quran manuscript from about the time of the Prophet Muhammad, making it one of the earliest versions of Islam's holy book to survive.

Radiocarbon analysis conducted at Oxford University dated the parchment on which the text is written to between the years 568 and 645. Muhammad is believed to have lived between 570 and 632.

Ride-hailing service Uber has struck a deal with New York City just a day before the City Council was due to vote on a measure that would cap the number of the service's cars in the city.

The FBI says it's too early to tell whether Mohammod Youssuf Abdulazeez was radicalized before he attacked two military facilities in Chattanooga, Tenn., and killed five service members.

"This is a complex, ongoing investigation, and we're still in the early stages of piecing together exactly what happened and why," FBI Special Agent in Charge Ed Reinhold said Wednesday at a news conference.

Reinhold said between 700 and 1,000 agents are working full time on the investigation into what led the Kuwaiti-born Abdulazeez, 24, to carry out last week's attacks.

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