Gary Peters' exit creates a highly contested U.S. Senate battleground seat expected to be coveted by both major political parties.

The Michigan Senate announced it is filing a lawsuit against the House over nine bills that passed in the legislature but never made it to the Governor's office for a signature.

The passed legislation reduces health care costs for educators and first responders, while offering better retirement benefits for corrections officers.

Senate Leader Winnie Brinks and the Democrat-controlled Senate labeled the case an "urgent state constitutional matter."

As they had threatened last week to do, Michigan Senate Democrats have filed a lawsuit seeking to force House Speaker Matt Hall (R-Richland Twp.) to send nine already-passed bills to Gov. Gretchen Whitmer for her signature.