cnn-breaking-news1This morning, a Malaysia Airlines jet flying from Amsterdam to Kuala Lumpur was shot down along the Ukraine/Russia border.

Anderson Cooper quickly took over coverage for CNN’s John Berman, with CNN’s senior White House correspondent Jim Acosta contributing to the report. The network will reschedule “The Sixties” tonight for special coverage of the crash.

Fox News Channel national security correspondent Jennifer Griffin has been reporting on the matter from the Pentagon.

CBS News’ Major Garrett, Bob Orr, Jeff Pegues have reported from D.C. and the network is sending foreign correspondent Mark Phillips to Ukraine, Seth Doane to Malaysia, and foreign correspondent Elizabeth Palmer to Amsterdam.

ABC News’ Martha RaddatzJonathan Karl, and Jim Avila have each contributed to network coverage. Tonight’s ”World News” will air an extended broadcast tonight to cover the crash from 6:30-7:30 p.m. with David Muir anchoring.

Brian Williams took over for Matt Lauer and Savannah Guthrie at 12:59 p.m. on NBC.

Malaysia Airlines will hold a press conference at 4 p.m. ET.