Police are looking for a man who held up a Waipahu Jack in the Box restaurant at gunpoint on Monday morning.

Police said the armed robbery occurred at 4:40 a.m. at Farrington Highway and Moloalo Street.

It’s the second robbery of a Waipahu business in two days and the third business robbery in three days in Central Oahu.

Police said a 30-year-old woman was robbed at a Waipahu business at 6:30 a.m. on Sunday.

They did not release other details.

Police are also looking for a suspect in the robbery of a business in Pearl City on Saturday night.

Police said an unknown man entered a business, brandished a weapon, and demanded money at about 9:45 p.m.