An explosion at a chemical plant near Texas’ Gulf Coast injured three people early Wednesday and led to the shutdown of a waterway connecting oil refineries to the Gulf Coast. The blast involved a processing unit at TPC Group Inc.’s Port Neches facility, the company said a statement. The Sabine-Neches channel, which connects refineries and terminals in Beaumont and Port Arthur with the Gulf of Mexico, has shut, according to a group that manages traffic on the waterway. The plant is about 100 miles (160 kilometers) east of Houston. “Emergency responders are still working to bring the event under control, and are doing so as quickly and safely as possible,” TPC said in a statement at 6:40 […]