“A bombshell investigation is throwing the future of the Bally’s Casino site in River West into question.”

“(Canadian developer Onni Group)’s audacious move sets up a City Council vote this summer that potentially would force aldermen to choose between risking the displeasure of SEIU, which contributes generously to local campaigns and helps provide organizational muscle as well, and furthering what virtually all these City Council members espouse — building more affordable places to live.”

Planning and Development Commissioner Ciere Boatright said the developer’s original plan to build 7 million square feet of office space, “the equivalent of two Willis Towers,” is no longer feasible at a “tough time globally for new construction, especially offices.”