In Flames announce Mayhem Fest off dates with Trivium and Kingdom of Sorrow

In Flames has announced off dates from the 2011 Mayhem Festival:

07/18 Omaha, NE – Sokol Auditorium
07/25 Niagara Falls, NY – Rapids Theater
07/26 Clifton Park, NY – Northern Lights
08/01 Charlotte, NC – Amos’ Southend

Support will come from Trivium, Kingdom Of Sorrow and Straight Line Stitch.