After blocking off the main gate with a wooden wedge, he smashed in the windows of the buildings and pointed his flamethrower in the classrooms, setting the classroom, and many of the people inside it, on fire.
He smashed in the windows of the buildings. He was setting the classroom on fire. He was setting many of the people inside it, on fire. He pointed his flamethrower in the classrooms. He was setting the classroom on fire. He was setting many of the people inside it, on fire. He was blocking off the main gate with a wooden wedge.