A postal worker is in serious condition after being robbed at gunpoint. The incident happened on the unit block of Hawaii Avenue N.E. around 4 p.m. on Tuesday. Police are searching for two suspects who are both armed. The suspects are described as black males approximately in their 20s. One is described as having a light skin complexion and may be wearing a ski mask. The postal worker was taken to a local hospital with injuries that are not life threatening.