tom costello tracking it all. thank you for that. we re following an explosion and fire tonight at a chemical plant in texas near the louisiana border residents evacuated, thanksgiving plans disrupted and late today a second blast. morgan chesky has that story. reporter: the overnight blast shook this texas town to its core the explosion so powerful it was caught on doorbell cameras across port neches, a coastal area east of houston stunned residents running from their homes to see what happened some even forced to evacuate. it sounded like a bomb went off. reporter: the blast whipping through tpc group, a company that produces chemicals making rubber, fuels and plastics three workers were injured tonight, it s the smoldering mess pouring potentially toxic smoke in texas skies that has residents worried. definitely worried about what s going in the air. reporter: officials warning to stay away take necessary precautions to