15-year-old charged with raping his GRANDMOTHER after he 'cut off her panties' while she slept

A 15 year old boy has been arrested after being accused of raping his grandmother.

The teenager allegedly admitted to cutting off his grandmother's underwear with a pair of scissors while she slept.

The victim, who is aged 59, told police she had taken medication to help her sleep.

Shocking: The boy admitted to his uncle that he 'cut her panties off while she was in bed and had sex with grandma' and 'had sex with grandma on the couch'

She said she woke up the following morning to find her underwear stuffed under her bed.

The following evening she allegedly woke up to find her grandson on top of her.

The alleged rape took place at her home in Edmond, Oklahoma, while the teenager was visiting from another state.

The victim told police she called her son, the boy's uncle, to pick him up after the alleged incident.

When the victim alerted the uncle of what happened, he took the teenager to the police department, according to NewsOn6.com .

According to the arrest affidavit, the boy admitted to his uncle that he 'cut her panties off while she was in bed and had sex with grandma' and 'had sex with grandma on the couch'.

Scene: The alleged rape took place at her home in Edmond, Oklahoma, while the teenager was visiting from another state

Police arrested the teenager but waited until his mother arrived in the state before interviewing him.

The victim underwent a rape test at hospital which came back positive.