A Few Loose Screws

Daniel had finally finished his essay, stretching back on his chair with a groan. Running a hand through his hair, he went to open his phone to check on his sister. Interrupted by a commotion outside the window leading to the courtyard. Confused, he got up, looking out the window, horrified at the sight before him. Students, screaming, panicking, running... away from the teachers and staff. Blood was on the ground, kids were getting attacked and killed on the courtyard.