India, July 30 -- The mother of a missing Milwaukee teen has revealed that she got a disturbing phone call before her daughter went missing. 13-year-old Jamyla Norwood mysteriously disappeared, and has been described by police as a critically missing person, which means she is believed to be in danger.

Norwood has not spoken with her family since Monday, July 28, around 3:26 p.m. local time, authorities said, as reported by People. According to local radio station WTMJ and Fox affiliate WITI Norwood's mother was speaking to her on the phone when she heard a female voice in the background threaten to "beat Jamyla and push her down the stairs."

The phone disconnected after the threat, and no one has heard from the teenager since. The call...