Authorities say the tow truck operator was loading a vehicle on I-94 when he was struck by a blue minivan. The driver didn't stop after the collision.

The Waukesha Police Department said around 6:41 p.m., a tow truck operator was loading a disabled vehicle on the eastbound shoulder of I-94 east of Sawyer Road when they were hit by a blue minivan that left the scene.

Dozens of tow truck drivers gathered on Christmas at a park-and-ride off Interstate 94 to remember one of their own with a vigil. Hussain Farhat, 40, was killed on Christmas Eve when a blue minivan struck him while he was loading a disabled car on the freeway.

A collision between two semis on Christmas Eve morning in Kankakee County left a tow truck driver dead and his 15-year-old son with serious injuries, according to

TOW TRUCK DRIVERS STANDING TOGETHER FOR A FALLEN COLLEAGUE. A MEMORIAL IN DELAFIELD TONIGHT FOR THE DRIVER KILLED ON CHRISTMAS EVE. POLICE SAY HASSAN FAHAD WAS ASSISTING WITH A DISABLED VEHICLE WHEN ANOTHER DRIVER HIT HIM.

The tow truck driver who was hit by a minivan and later died on Dec. 24 in Waukesha County has now been identified, and a suspect is now in custody, according to the Waukesha County Sheriff's Office. The sheriff's office said the tow truck driver has been identified as Hussain Farhat, an employee of Yaffo Towing, which is out of Chicago, Illinois.