Honolulu police are investigating an apparent stabbing.
The incident happened just about 3:15 p.m Monday on Wilder Avenue just below University Avenue at the Hale Mahiai Apartments
Police say the victim heard a knock at his door, and when he opened it, the suspect forced his way in.
The victim, who is in his 20s, was stabbed twice.
He was taken to the hospital in serious condition.
The suspect took off before police arrived, and neighbors reported seeing a second man leaving with him.
Police have opened an attempted-murder case.