Television stations are reporting that someone called in a bomb threat to the Federal Courthouse in Boston. According to Reuters.com, A large crowd of media and civilians were gathered outside the courthouse after reports of an arrest in the bombing case in connection with the Boston Marathon bombings. Scores of people could be seen leaving the building. No further details were immediately available.

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WCVB reporter Kelley Tuthill was on the scene when the evacuation was given, and sent this tweet out:

My Fox Boston reports that a suspicious car outside of Brigham and Women's Hospital had it evacuated, but that threat was cleared.