CLAYTON COUNTY, Ga. -- Police said a love letter on the social networking web site Facebook sparked an on-campus, profanity-laced fight between two teachers at Rex Hill Middle School in Rex. The altercation allegedly got so out of hand, an officer ended up arresting both instructors.Channel 2 Action News reporter Tom Jones spent the day in Clayton County and was able to obtain the police report that detailed the love triangle that erupted into fighting and cursing in front of students.The school district didnt have much to say about the altercation, but parents did.