(January 27, 2020, 8:49 PM EST) -- LOS ANGELES — A Delta Airlines pilot negligently dumped a large amount of toxic jet fuel on students and teachers on an elementary school playground, four teachers allege in a complaint filed Jan. 17 in a California state court (Lisette Barajas, et al. v. Delta Airlines Inc., et al., No. 20STCV02116, Calif. Super., Los Angeles Co.)....