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DIXON — Officer William Zink of Dixon dedicated his life to serving others — a life of service cut short Thursday morning as he headed to work in San Pablo for another shift of keeping others safe.

Investigators with the California Highway Patrol say that Zink, who’s best known by his middle name Ken, was lane-splitting on westbound I-80 in Vallejo when a car hit his motorcycle.

The 53-year-old was thrown off his bike and then run over by a tractor-trailer.

Relatives and friends told FOX 40 they were too upset to speak about the situation on camera but have been posting about the father of seven on a  GoFundMe page set up in his honor and on their own social media sites.

This post from Ana Bermudez says in part, “Thank you for being in our lives…you will be missed dearly.”

One from the Sabre Jiu-Jitsu academy says, “Rest in Paradise to Officer Zink…a great cop, an even better man. Honor to have worked with you brother…Prayers to your family.”

Gonzalo Rucobo writing on Facebook about feeling emotional over the loss of the school resource officer at Helms Middle School saying, “we lost a good officer that really cared about the kids and the San Pablo community.”

The job at Helms was Zink’s latest post in a nine-year career in the San Pablo community, having achieved the rank of master officer, being named officer of the year in 2010 and again in 2014.

He also received the highest honors awarded by the California Narcotics Officers Association in 2012, winning the Al Stewart Award.

Before his service in San Pablo, Zink walked the beat in El Cerrito for six years and was an officer for the U.S. Coast Guard.