The top U.S. auto safety regulator said on Friday a ruptured Takata Corp (7312.T) air bag was likely involved in the April 5 car crash that killed a 22-year-old Louisiana woman, which would make her death the seventh linked to an air bag defect. Kylan Rae Langlinais died four days after her 2005 Honda Civic struck a utility pole in an early morning accident, according to a lawsuit filed by her family this week in U.S. District Court. The suit alleges that the vehicle’s driver-side Takata air bag exploded, sending shards of metal into the passenger compartment and severing her carotid artery.