WOONSOCKET, R.I. (AP) — Live ammunition was discovered by a custodian in a Rhode Island middle school boys' restroom, prompting a lockdown, police said. Woonsocket Middle School at Hamlet, located outside of Providence, was put on lockdown Friday afternoon after the discovery. Woonsocket Police Chief Thomas F. Oates III said a custodian was checking the restroom around school dismissal time when she found small-caliber ammunition and brought it to the principal's office.