Person injured after cellphone explodes at DC high school

A person was injured at a D.C. high school on Thursday morning after a cellphone exploded, according to the city’s fire department.The incident happened around 8:30 a.m., at Roosevelt High School in D.C.’s Petworth neighborhood.Fire investigators believe the explosion was related to a failure in the phone’s lithium-ion battery, and stated that they’re still looking into what exactly caused the explosion."Once again, we dealt with a lithium-ion battery failure. For those w