By Lisa Respers France
CNN.com
LAKELAND, Fla. — When a report of a possible explosive device on the roof of a city parking garage came in to the Lakeland, Florida, Police Department, public safety officials there sprang into action.
They sent out a squad to investigate and they posted a notice on Twitter.
Social networking sites like Twitter and Facebook are mostly used by those who want to keep their friends and families informed about their lives and activities.
Read full story: Police departments keeping public informed on Twitter
Visit the Police1 Twitter page