Bullet found in bathroom at Brevard County Space Coast Jr, Sr High School, sheriff's office says

BREVARD COUNTY, Fla. - A Brevard County school was put on a shelter in place Friday morning, after a bullet was found in a school bathroom, deputies reported. 

What we know:

A shelter in place was lifted at Space Coast Jr./Sr. High School after a single round of ammunition was located in a bathroom, the Brevard County Sheriff's Office reported around 11:40 a.m. on Dec. 12. 

The sheriff's office lifted the order around 2:30 after no other items or evidence were found, officials said. 

No students or staff were injured. 

What we don't know:

No information about how the ammunition got into the school is known at this time.