From Local10.com, emphasis mine:

HOLLYWOOD, Fla. -- A lockdown at a Hollywood high school has ended after police were able to identify a student who was threatening suicide via text messaging and sent pictures of a handgun to some students, according to police.

The lockdown by Hollywood police and the staff of the school happened just after noon at Hollywood Hills High School on Stirling Road. Students reported that a classmate text messaged them saying that he wanted to commit suicide and transmitted photographs of a handgun to some students' cell phones, according to police. Students passed the word on to high school officials of the threat, police said.

Police searched the school, but found the teen at his home in Davie. He is now in the custody of Davie police, Local 10 reported.