SHELTON - Police say they are searching for the suspects involved in a bomb threat at Shelton High School this morning.

Police say the school was evacuated after a student found a threatening message scrawled on a bathroom wall. They say the building was searched, but no bomb was found.

There have been a number of recent bomb threats at Shelton schools over the past few weeks. Police say they have made three arrests in those cases.

School officials also say that two girls responsible for one of the cases have since been expelled.

3 facing charges in Shelton bomb threatsBomb threat found in Shelton High School