A coworker of mine got caught up when they tried to bum rush the building. He's fine but a few of them managed to get in before building security and police blocked the doors.
They are shown in the pics below sitting on the floor up against the glass wall. Police and security are now preventing anyone without an employee ID from entering.
As of 14:00, we can still get out of the building via the underground concourse to Suburban Station, and via the Arch St. exit.
Click the pictures to view them larger.