ST
......for 10 minutes by a RT (Russia Today) feed. C-Span think it was an internal problem not a hack.
http://www.ibtimes.co.uk/c-span-online-broadcast-mysteriously-interrupted-by-russian-news-channel-several-minutes-1600838
https://www.youtube.com/watch?v=osiFTr1FlIc
http://www.ibtimes.co.uk/c-span-online-broadcast-mysteriously-interrupted-by-russian-news-channel-several-minutes-1600838
https://www.youtube.com/watch?v=osiFTr1FlIc