Looks / sounds like things are starting to get a little testy outside the convention hall ...
Tweets are saying that:
Bernie supporters are being denied any further access inside the convention ...
Bernie supporters are being arrested / detained for attempting to scale the 8 foot high, 14 mile long fence/wall around the outside of the arena ...
The Philly police scanner for the city wide freq is now offline ...
If you have twitter account, you can follow what's happening on their page, they have access to a police freq ...
https://twitter.com/DNC_Scanner
It's the same page as the RNC_Scanner, they just changed their page name.
ETA ... It's being reported that a LARGE protest is currently underway outside of the arena.