A 91-year-old man riding a bicycle on Kauai was killed in a crash with a pickup truck, and the driver has been arrested.

• The man killed was Bonifacio Ventura of Kekaha, hit Tuesday while riding his bike.
• The crash happened on Elepaio Road near Ali'i Road on Kauai's west side.
• The driver of the other vehicle was arrested at the scene.
• A separate incident on the island left people with headaches from an unidentified odor, and the source is still unknown.

Outlook: Police are still investigating, and charges against the driver are expected to follow.