PROSPER -- Police in Prosper are investigating an apparent murder-suicide.

A 911 call about suspicious activity came in just after 4 a.m. Thursday, leading officers to a house in the 1600 block of Hidden Glen Court.

Two people were found dead inside the home, and "there appeared to be no indication of forced entry or abnormal activity," according to Prosper PD.

 Police are investigating the pair's deaths as a murder-suicide. They have not been identified.

The Texas Rangers and Collin County Sheriff's Office are assisting.