The city of Chicago presented on 29 June 2012 a bill for nearly $15.6 million in expenses for the May NATO summit -- in part to one of its own agencies -- .
The city of Chicago said more bills are coming .
The city of Chicago presented on 29 June 2012 a bill for nearly $15.6 million in expenses for the May NATO summit -- in part to one of its own agencies -- and said more bills are coming .