7 students treated for injuries in lab fire at Pennsylvania school

From The Harrisburg Patriot-News: Seven students at a Pennsylvania middle school were injured when a fire broke out during a science experiment. A teacher used a fire extinguisher to quickly put out the flames at Wilson Middle School in the Carlisle Area School District. Authorities say five students were treated at a Carlisle hospital and two were taken by helicopter to the Johns Hopkins Medical Center in Maryland. Students were standing around a table watching the teacher conduct an experiment when the fire occurred