Click photo to enlarge
Family of fallen officers Mark Dunakin, John Hege, Ervin Romans and Daniel Sakai present the gifts of bread and wine to Bishop Michael C. Barbar during the memorial mass at the Cathedral of Christ the Light in Oakland, Calif. on Friday, March 21, 2014. It has been five years since the day four Oakland police officers were murdered by Lovelle Mixon.(Laura A. Oda/Bay Area News Group)

OAKLAND -- Local law enforcement officers and their families marked the five-year anniversary Friday of the deadliest day in Oakland Police Department history.

A commemorative service was held at the Cathedral of Christ the Light in Oakland for the four officers who were killed in the line of duty March, 21, 2009.

The slain officers were Sgts. Mark Dunakin, Ervin Roman and Daniel Sakai and officer John Hege.

Dunakin and Hege where shot by Lovelle Mixon during a traffic stop in East Oakland. Later that day, Mixon, who was wanted on a rape allegation, fatally shot Romans and Sakai as an Oakland police SWAT team entered the apartment where Mixon had fled. Mixon was then fatally shot by police.