MLive.com is reporting this afternoon that Ann Arbor native Bob Seger is facing an "urgent medical issue" that has forced him to postpone the remaining dates on his Runaway Train Tour with The Silver Bullet Band.

The medical issue is reportedly with Seger's vertebrae. There are plans to reschedule the remaining dates that have been postponed. All tickets for the postponed shows will be honored on the new dates when they are announced.