https://www.cnbc.com/2017/12/14/fcc-net-neutrality-vote-broken-up-by-security.html

A security threat halted a vote on net neutrality rules moments before commissioners were set to vote on the change.

FCC chairman Ajit Pai was giving his remarks on net neutrality and the vote was expected to happen any moment. Commissioners and visitors were escorted from the room and were told to leave belongings behind.