Honolulu police are looking for three suspects wearing bandanas over their face who were accused of a home invasion in Waialua.
It happened on Wednesday at around 8:45 p.m.
Police say one of the suspects struck a 66-year-old man with the butt end of a black handgun. The suspect demanded money and valuables.
A second suspect was armed with what appears to be a rifle.
The man and a 60-year-old woman were tied up while the suspects searched the residence.
The suspects face robbery and kidnapping charges.