Four people were found dead inside a Castle Hill apartment.

Police responded around 9:43 a.m. to a call for a wellness check on Lacombe Avenue.

When police arrived, they found the four people unconscious and unresponsive.

EMS pronounced them dead at the scene.

The deceased include a 44-year-old male, 75-year-old female, 26-year-old female and an unidentified male in his 20s.

Police confirmed they all suffered trauma.