Twitter link is protected
Yes, it is now locked for me too. It was available until recently - last 20 minutes or so.
Bart is calling it a large knife.
http://www.eastbaytimes.com/2017/01/06/bart-two-stabbed-with-large-knife-at-civic-center-station/
I thought there might be something at the PD twitter of facebook. Boy was I mistaken.
https://www.facebook.com/SFPD/
https://twitter.com/Cernovich/with_replies