A motorcycle passenger suffered serious head injuries Sunday morning after the motorcycle struck a cow, Avra Valley Fire spokesman Patrick Calhoun said.
The incident happened around 10:30 a.m. on Park Link Drive, near Interstate 10 and Red Rock Road, Calhoun said.
The passenger was a woman, who was transported by helicopter with life-threatening injuries.
The driver was taken by ambulance to the hospital. Calhoun said he was in stable condition.
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