Man killed after car slides down ravine, trapping him in car on Kauai.

A man died after his car went off the road, hit a tree, then slid down into a ravine off Kuamo'o Road in Wailua on Kaua'i.

Around 8:30 Sunday morning, a motorcyclist heard the man's cries for help.

The man told him he had been struck for several hours.

The motorcyclist called 911, but by the time paramedics got there, the man had already passed away.

Officials have not released his name yet.