(wkrn) — a south nashville school was placed on lockdown early tuesday morning as authorities searched for a suspect, officials said. Webatlanta — a fight at maynard jackson high school sent a a student to the hospital and caused the school to go on lockdown, atlanta public schools told channel. Webone of the students begins throwing punches at another student before security personnel gain control. The two students are led away as teachers direct. Weba knifeman who put a school into lockdown for nearly two hours has been detained indefinitely in a secure psychiatric hospital. Webtwo students and two teachers were killed and nine others wounded wednesday in a school shooting an hour outside of atlanta, authorities said. Webparents were seen pleading with officers outside the uvalde, texas, elementary school where a gunman killed 19 students and two teachers while he. Webthe school was placed on lockdown after the 12:25 p. m. Office called an altercation between two students that led to a shooting inside northwest. Weba lockdown has been lifted at lake brantley high school in seminole county after officials say they discovered a gun on campus. Webstudents hid under their desks as officers entered classrooms and anxious parents huddled outside, glued to their phones. Police say students were also confined.