Girl riding without helmet dies after losing control of bike

A girl died after she was thrown from a bicycle in a solo collision Saturday afternoon in South San Jose, police said.

The girl was riding a bike downhill on Valroy Drive in the city’s La Colina neighborhood about 3 p.m., when she lost control and hit a raised curb on Curie Drive, according to San Jose police.

The impact launched her into the air and she hit a concrete retaining wall. The girl, who was not wearing a helmet, was hospitalized with life-threatening injuries and later died, police said.