PORT ST. LUCIE — Two people were found dead Saturday morning in an apparent murder-suicide in which a woman was killed by a man who then killed himself, city police said.

“Detectives believe the two adults were romantically involved,” Port St. Lucie Police said in a news release Saturday night.

Police went at about 11:45 a.m. Saturday to the 5500 block of Northwest East Torino Parkway for a welfare check. Investigators heard an infant inside crying, and the door was locked.

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Through a rear sliding door, officers saw people on the floor who appeared to be dead.

“Port St. Lucie Police Officers forced their way through the locked front door and took the unharmed, crying infant from their crib,” the release said. “The infant is now with a family member.”

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Lt. Keith Boham, police spokesman, declined to say how the deaths occurred, such as with a firearm, and did not identify the deceased. He said the incident is a suspected murder-suicide. Police disclosed the incident publicly shortly before 7 p.m.

No further information was available late Saturday.

Will Greenlee is a breaking news reporter for TCPalm. Follow Will on Twitter @OffTheBeatTweet or reach him by phone at 772-267-7926. E-mail him at will.greenlee@tcpalm.com

This article originally appeared on Treasure Coast Newspapers: Police: man appears to have killed woman before taking own life in PSL