A bomb threat was called into South Hamilton High in Jewell at about 12:30 this afternoon. students were evacuated and the building was searched, but no bomb was found. The Collins-Maxwell school district in central Iowa also evacuated its high school and elementary buildings this morning after a bomb threat. Story County sheriff’s department spokesman Lieutenant Gary Foster says school administrators evacuated the buildings after a male caller made the threat. Foster says their searches haven’t turned up a bomb and the 500 students were bused to local churches and parks where classes resumed. Students will be back in regular classes tomorrow.