US News BUS KILLS TEACHER By Lorena Mongelli Published Feb. 22, 2009, 9:01 a.m. ET A Queens teacher of autistic kids was crushed to death when she slipped and fell under a city bus, cops said yesterday. Hwi Wu, 26, of Ridgewood, fell beneath a B52 bus as it turned off Myrtle Avenue onto Palmetto Street in Brooklyn, Friday night.