(Hamilton)--The Butler County OVI Task Force has announced two checkpoints as the Thanksgiving holiday approaches. Police will run the first checkpoint tonight (Saturday, November 23) from 10:00pm-2:00am on State Route 4 Southbound at Indian Meadow Drive in Fairfield Township. The second checkpoint will occur Wednesday, Thanksgiving Eve, at a time and location to be announced the morning of the operation. The checkpoints, along with saturation patrols, are an attempt to reduce OVI crashes resulting in injuries and fatalities.