No Baldwin County High School students were harmed after a bomb threat at the school Monday morning.

The school was placed on lockdown about 8 a.m. and lasted for about an hour and a half, said Baldwin County sheriff’s Lt. Michael Lumpkin. Deputies didn’t find anything on campus during their search, he said.

The Baldwin County Sheriff’s Office is investigating leads in the case, and anyone with information about the bomb threat is asked to call (478) 445-5102.