One person killed, after they are struck by a vehicle while riding their bicycle on Lyon Road near Boca Raton.

A vehicle struck and killed a bicycle rider Wednesday morning in suburban Boca Raton, according to the Palm Beach County Sheriff's Office.

The crash happened just after 9 a.m., on Lyons Road just north of Clint Moore Road, the sheriff's office says.

"I was hoping it would never happen -- to see something like this but I came through here just a little while ago and saw it happen," said a witness.

Lyons Road was closed for a time.

The sheriff's office vehicle homicide unit will investigate.

The victim has not yet been identified.