Celina City Police, Mercer County Sheriff's officers and the city fire department responded to an early morning bomb threat at Celina Middle School. School officials found a handwritten note just as school was starting. A thorough search by authorities and school officials turned up nothing unusual.

Celina City School officials received a handwritten threat early this morning that a bomb had been planted at Celina Middle School. "You have one hour," the note said. However, nothing was discovered following a thorough searc . . .