This from Drew Gresik:

Took in a Working Fire at 9150 S 87th Street in Hickory Hills. Got there well after the fire was out but got some nice rig shots. It appeared North Palos Engine 813 arrived first-in with Truck 31 from Roberts Park. Roberts Park Engine 31 was in reserve engine 3R, and Roberts Park Ambulance 32 was in reserve 3R. Here are a couple my shots. Thanks.
Drew Gresik
Roberts Park FPD apparatus

Roberts Park Truck 31. Drew Gresik photo

North Palos Fire Protection District fire engine

North Palos Engine 813. Drew Gresik photo

Roberts Park FPD apparatus

Roberts Park Engine 3R. Drew Gresik photo

Roberts Park FPD apparatus

Roberts Park Ambulance 3R. Drew Gresik photo

North Palos FPD ambulance

North Palos Ambulance 812. Drew Gresik photo