The fight has begun...

Multiple explosions heard by officers in and around downtown.

IED thrown from vehicle on The Hill District.

IED detonated under a vehicle in Lawrenceville on Penn

Pittsburgh seemingly under attack.

[link to twitter.com (secure)]

This is going to quickly spread to other cities. They are
not waiting for the 6th, Nashville was the shot across the
bow..and the fight is on.

Has anyone heard anything about attacks from other cities?