A 47-year-old man is in critical condition after the bicycle he was riding was struck from behind by a car early this morning in Wai'anae.

The collision occurred around 2:40 a.m. on Farrington Highway near Kea'au Homestead Road.
The driver, a 27-year-old Wahiawa man, was arrested for negligent injury and other traffic-related charges.
Police said speed and alcohol may have been factors.