A 24-year-old man remained in critical condition this morning after being injured about 10:30 last night when he lost control of his moped on North King Street in Kalihi.

Police traffic investigators said the man was riding on King Street near the Ola Lane overpass when he realized he was traveling too fast to follow a curve in the road.

Investigators said the moped rider braked hard, skidded and sideswiped a pickup truck being driven by a 40-year-old man before being thrown from the moped.

The rider, who was not wearing a helmet, was taken to The Queen's Medical Center, where he was initially was listed as in critical condition.

Police said speed and alcohol may have contributed to the crash.

Four rob, slash Kalihi pedestrian

Police last night were looking for four men in their 20s who assaulted and robbed another man at knifepoint about 7:30 p.m. in Kalihi as he was walking home.

Police said the man told them all four of the men confronted him, asking for money, and then attacked him several blocks from the Kalihi police station.

Although the robbery victim was cut twice by one of the men who had a knife, he was able to walk to the police station to report the incident. He was then taken to The Queen's Medical Center, where he was treated and released.

Escaped mental patient arrested

A 24-year-old woman was arrested on suspicion of second-degree escape yesterday after she left a building in downtown Honolulu yesterday morning where she had been taken to attend a mental health program.

Police said the woman had been committed to the state hospital in Kane'ohe in connection with a criminal case against her. She was brought downtown for the mental health program, where she told those supervising her that she had to use the bathroom.