U.S. Congresswoman Jackie Walorski and two members of her staff died on Wednesday when the vehicle they were traveling in collided head-on with a car that veered into their lane, police in Indiana and her office said.

Walorski, 58, a Republican who represented Indiana’s 2nd congressional district in the U.S. House of Representatives, was mourned as an honorable public servant who strived to work across party lines to deliver for her constituents.

The congresswoman had been traveling down an Indiana road on Wednesday afternoon with her communications chief, Emma Thomson, 28, and one of her district directors, Zachery Potts, 27, the Elkhart County Sheriff’s Office said.

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“A northbound passenger car traveled left of center and collided head on” with Walorski’s vehicle, killing all three occupants, the sheriff’s office said. The driver of the other car, 56-year-old Edith Schmucker, was pronounced dead at the scene, near the northern Indiana town of Nappanee, it added.

Read more: Reuters