TUCSON — Pima County sheriff's assembly are investigating what led to the afterlife of a motorcyclist forth a active Tucson road.

Authorities said a agent came aloft a blast armpit about 3 a.m. Saturday and begin 29-year-old Jason E. Wiczynski lying in the artery abreast a motorcycle.

They said addition motorcyclist who was not complex and didn't attestant annihilation was nearby.

Wiczynski was taken to University of Arizona Medical Center, area he died.

Wiczynski appeared to be traveling westbound on Valencia Alley and was not cutting a helmet at the time of the incident, assembly said.

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