LAKEPORT (CBS SF) — A Lake County Sheriff’s deputy died in a SUV crash Tuesday night after responding to a trouble call in Lakeport, authorities said.

Lake County Sheriff’s units were called to Lakeport at 7:55 p.m. to assist local police who were responding to a call of a fight involving several individuals in front of a residence on Healton Circle.

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The deputies took 21-year-old Alex Michael Castillo into custody after he fled the fight into a nearby woods. Castillo physically resisted deputies as they took him into custody and they were forced to use a taser to subdue him.

Castillo was placed under arrest on two domestic violence counts.

Shortly after police and sheriff’s units cleared the scene, a sheriff’s patrol SUV struck a tree on Hartley Road north of 20th Street. Deputies and paramedics quickly were on the scene to assist the deputy. Unfortunately, he did not survive.

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Authorities said it was believed that the deputy suffered some type of medical emergency while driving just prior to the crash.

A sheriff’s department identified the deputy as 50-year-old Robert “Rob” Rumfelt.

Rumfelt started his law enforcement career as a police officer with the Lakeport Police Department in 1997. He left the police department in 2006 to work as a private contractor overseas conducting law enforcement training.

He returned to Lake County and was hired as a deputy sheriff with the Lake County Sheriff’s Office in 2014.

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Rumfelt was also active in the community as an assistant football coach at Clear Lake High School. He is survived by his wife, Kelly; daughters, Brittany and Nicole; sister, Amy; parents Leslie and Robert “Bob” Rumfelt, mother Juanita Dixon.