PHILADELPHIA (CBS) - Philadelphia Police are investigating an apparent murder-suicide Wednesday night.

Police were called out to an apartment building on the 3600 block of Gateway Drive at about 2 Wednesday afternoon after receiving a call to check on the well being of the resident who had not shown up for work.

When officers arrived, they found a 24-year-old Hispanic man and a Hispanic woman in her twenties, both with a gunshot wound to the head, according to authorities. They were pronounced dead at 2:30 p.m.

The names have not yet been released. The investigation is ongoing.