This story includes graphic descriptions that some readers may find disturbing.

A New Jersey mother of two was charged with murder after authorities said she drowned her two young children following an episode of concerning thoughts.

Naomi Elkins, 27, was charged with two counts of murder, possession of a weapon for an unlawful purpose, and unlawful possession of a weapon in connection to the deaths of her 1-year-old and 3-year-old girls, Ocean County prosecutors announced Wednesday . Her family said in a statement that Elkins had a history of severe mental illness. She has not yet entered a plea.

Lakewood Township police responded to Elkins home at around 4:50 p.m. on Tuesday after emergency responders reported two children in cardiac arrest and attempted first aid, according to the county prosecutors release. The children were pronounced dead at the scene.