State sheriffs and Honolulu police have captured four of six people believed to have been involved in a Honolulu robbery Saturday.

According to police, the six people suspects and robbed a 20-year-old man.

The man reported the incident to Sheriff Division personnel, who located and detained five people, four of whom were positively identified. Honolulu police arrested a 20-year-old man, a 17-year-old boy and two 17-year-old girls on suspicion of second-degree robbery. 

An unknown male and female are still being sought in the case.

The time and location of the robbery were not disclosed.