Texas News At Least 2 Dead After ‘Mass Casualty’ Incident At LyondellBasell Chemical Plant Near La Porte KWBU | By Houston Public Media Published July 27, 2021 at 10:14 PM CDT Twitter LinkedIn Email Lucio Vasquez / Houston Public Media Outside the LyondellBasell chemical plant near La Porte in unincorporated Harris County, on July 27, 2021. Two people died and others were hospitalized after a chemical leak. The leak comes just days after a leak at a Dow Chemical plant in La Porte, and another LyondellBasell leak in Galena Park. Click here to read full story.