Police and paramedics were called to an apartment at 200 Chalkfarm Dr., around 1:30 a.m., where they found a man and a woman in their 20s.
The man was transported to a local hospital with non-life-threatening injuries. The woman was transported to a trauma centre with head injuries. Paramedics did not release further details about her condition.
Police say the apartment was broken into and they are looking for suspects.