A tragic accident in Oklahoma City has left a family grieving the loss of twin toddlers who drowned after wandering into their backyard pool.

Eighteen-month-old twins Locklyn and Loreli reportedly slipped out of the house through a door that may have been accidentally left open by their great-grandmother, who suffers from Alzheimer’s disease. The children made their way to the pool, where they were later found unresponsive.

Their mother, Jenny Callazzo—a stay-at-home mom of six and small business owner—discovered the twins in the murky, algae-covered pool. Emergency responders tried to save them, but both children were pronounced dead a few hours later.

Aerial footage showed a dark green, unmaintained pool in the family’s backyard. Just days earlier, Callazzo had shared a photo on social media of the twins playing outdoors with the caption, “Just want to play outside.”

Callazzo lives in the home with her husband and elderly grandmother. Neighbors recalled seeing her in distress inside an EMS vehicle while paramedics fought to revive the children.

Police are investigating the incident but have found no signs of foul play, according to the Daily Mail. A GoFundMe campaign has since been created to help the family with funeral and related expenses. The page thanks the community for its outpouring of support.

Safety experts are using the tragedy as a reminder of how quickly and quietly drownings can happen—especially for toddlers. Laura Gamino, an injury prevention coordinator at OU Health, emphasized that young children lack the ability to escape water hazards on their own.

“Drowning is silent—that’s one of the scariest parts,” Gamino said. She recommends all pool-owning families install fences at least four feet high, with locked gates that are inaccessible to children.

The heartbreaking loss of Locklyn and Loreli serves as a sobering warning for families to stay vigilant when it comes to backyard pool safety.