Dale Emch of the Toledo Blade reports—

The Marines will take over parts of downtown Toledo as sounds of gunfire will echo off buildings when training exercises are conducted next weekend.
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Major Cramer said Marines will be dressed in green and will be carrying rifles through the streets, but the exercises should have a minimal impact on the downtown area. He said the Marines will be firing blanks and conducting operations throughout the area.
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Toledo Police Chief Mike Navarre said military exercises have been conducted before in the downtown area with a minimal impact on city residents.

It is always good to accustom the citizenry to this sort of thing. More...