This is a developing story, return to this post for updates.
Trump memo, Pres had "no choice" but to accept some redactions in JFK files, "rather than allow potentially irreversible harm to natl security.
President Donald Trump on Thursday blocked the release of some documents relating to the 1963 assassination of President John F. Kennedy, while allowing the National Archives to release 2,800 other pages that had yet to be made public.
Trump is holding back an unspecific number of documents at the request of the FBI and CIA, according to a White House official, and has directed federal agencies to re-review the remaining of documents, giving them 180 days to do so. The files being held back include redacted information.
Full memo from Trump: