Key Facts

• The shooting happened in Edmond, Oklahoma.
• The 15-year-old brother died from a gunshot wound to the head.
• The 11-year-old girl was arrested around 1 a.m. on Thursday.
• She faces a charge of second-degree murder.
• The girl was placed in a juvenile detention facility after arrest.
• Police did not release the names of the children involved.
• The mother was not at the scene but received a call from her daughter about the shooting.
• Police expressed sympathy for the family dealing with the tragedy.