Chicago Tribune | 1 missing, after oil rig explodes on Louisiana lake ABC News An oil rig explosion on a lake north of New Orleans, apparently caused when cleaning chemicals ignited, injured seven people and left authorities searching for another who was missing. There were "a lot of injuries," many of them serious, with at least ... Oil rig explodes in Louisiana lake, injuries reported Oil Rig Explodes in Louisiana Lake Pontchartrain, Injuring 5 Critically Seven Are Hospitalized After Oil Rig Explodes in Louisiana |