Ukrainian filmmaker and Pulitzer Prize-winning journalist Mstyslav Chernov offers a window into the practices of conflict zone reporters and an unflinching, anguishing account of the 20 days he and colleagues spent covering Mariupol. "20 Days in Mariupol" is a @frontline and @AssociatedPress collaboration. The documentary premieres in select theaters this summer and comes to PBS this fall.

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Additional funding is provided by the Abrams Foundation; Park Foundation; the John D. and Catherine T. MacArthur Foundation; and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation, and additional support from Koo and Patricia Yuen.