A police therapy dog was killed in a head-on car crash in Tewksbury, Massachusetts, Tuesday morning, officials said.

Both drivers in the crash on Whipple Road were hurt, but excepted to survive, according to Tewksbury police. One of the drivers was a Wilmington police clinician who handled the dog, a 3-year-old Bernedoodle named Zena, according to that department.

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"For three years, Zena put residents and families at ease even during the toughest of times, and her work will not be forgotten. She served her community well," Wilmington Police Chief Brian Pupa said in a statement.

Zena was in a Toyota Camry that was hit by a Mazda 3 that crossed the center line at about 8 a.m., according to Tewksbury police. The dog w

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