Three men were found dead Monday on the grounds of a cemetery in Perris, authorities said.

It was not immediately known how the three died but homicide detectives are at the cemetery in Perris investigating, said Riverside County Sheriff spokeswoman Deputy Robyn Flores.

Flores said the Perris Valley Cemetery remained closed to the public and that there was no other information immediately available.

#Perris final update:



Investigators remain on scene for the triple homicide and confirm the victims are 3 adult males. No additional information is available at this time. https://t.co/gpEhcTAUhD — Riverside County Sheriff's Dept (@RSO) February 17, 2020

Homicide investigators were on scene after three dead bodies were found in a cemetery in Perris. Tony Shin reported on NBC4 News at 4 p.m. on Monday, Feb. 17, 2020.