Woburn school vandalized by graffiti

WOBURN, Mass. -- Police are investigating threatening graffiti found at the Linscott Rumford School in Woburn.

A janitor found a note threatening teachers spray painted on school windows early Monday morning.

School went on as planned and parents of students are being notified about the incident.

(Copyright (c) 2010 Sunbeam Television Corp. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)