UPDATE 7:30 p.m.

Five people, including two 3-year-old children, have been injured in what the Honolulu Emergency Medical Services reported as a head-on collision between two vehicles on Kamehameha Highway.

EMS said a 3-year-old girl is in critical condition, and a 3-year-old boy is in serious condition. The two children were in the same vehicle as two adults — a 38-year-old woman and 52-year-old man — who were seriously injured in the incident.

A 72-year-old man was alone in the other involved vehicle, and he is in serious condition, EMS said.

All the patients were taken to a hospital.

Previous coverage

Kamehameha Highway is closed in both directions near Coral Kingdom following a vehicle collision this afternoon.

The Honolulu Police Department said that the collision took place at around 5 p.m. between Kamaka Place and Johnson Road. First responders are on the scene.

The City and County of Honolulu in an alert is advising drivers to avoid the area and to expect delays.