NEWPORT NEWS, Va. (WVEC) -- A beloved search and rescue K-9 officer died suddenly after a medical emergency on Wednesday.

The Newport News Police Department announced the passing on their Facebook page.

Duke was adopted from the Animal Aid Society of Grafton on October 1, 2013. Although his handlers aren't sure of his age, they guess him to be around 8 or 9 years old.

Duke specialized in tracking missing people.

"Please keep his partner Master Police Officer Stewart, his family, and the rest of the K-9 Unit in your thoughts and prayers during this difficult time," the police department's Facebook post read.