-- Two people were fatally shot at a hospital in Titusville, Florida, early Sunday morning police said.
The Titusville Police Department tweeted that the victims were an "elderly female patient" and a "female hospital employee." The gunman's motive was unknown.
Initially, the Titusville Police Department tweeted, "Susp in custody after shooting at Parrish Medical Cntr, 951 N Washington, 2AM. Two deceased, scene secure, unk motive at this time."
According to Brevard County sheriff Wayne Ivey, the suspect and the victims did not know each other, nor does the suspect appear to have a connection with the hospital.
Security guards, who were unarmed, managed to detain the suspect before police arrived.
Police are unsure why the gunman chose to enter that specific patient's room.
According to ABC Orlando affiliate WFTV, the gunman, who wasn't immediately identified, was arrested at the hospital.
Titusville is about 40 miles east of Orlando.
This story is developing. Please check back for updates.
ABC News' Matthew Foster and Dominick Proto contributed to this report.