MUSKEGON HEIGHTS, Mich. (WOOD) — A 7-year-old who who was missing and believed to be endangered after her non-custodial mother abducted her in Muskegon Heights has been found, police say.

On Monday, 7-year-old Elena Joyce Johnson was taken from the home of her father, Michigan State Police said in a release. It said her mother, Seaniece Johnson, took her with the help of three men. Police said the mother had contacts in Missouri and Virginia, and that Seaniece Johnson and the three men were considered armed and dangerous.

Elena Joyce Johnson was safely found in St. Louis, Missouri, the Muskegon Heights Police Department said in a Tuesday Facebook post. It said two people are in custody.

Authorities are working to reunite the 7-year-old with her father, police say.

Michigan State Police, the FBI and law enforcement in Missouri helped find her.