UPDATE 5-Blast, fire injure 33 at Louisiana chemical plant
June 13, 2013 at 13:20 PM EDT
GEISMAR, La., June 13 (Reuters) - An explosion and fire tore through the Williams Olefins chemical plant in Geismar, Louisiana, on Thursday, injuring 33 people and leading authorities to order people within two miles (3 km) to remain indoors.
