Dr. Heather Hall, a professor of education at the College of Charleston, was identified as the sole American among 16 people killed when a 19th-century streetcar derailed and crashed into a hotel in Lisbon during evening rush hour.

The crash occurred just after 6 p.m. Wednesday when the historic Elevador da Glória came off its rails. Portuguese authorities said 21 other people were injured, five of them in serious condition, and that an investigation into the cause of the derailment is under way.

Portugal’s Office for Air and Rail Accident Investigations said a preliminary technical report would be released on Friday but later delayed that release to Saturday. Prime Minister Luís Montenegro described the crash as "one of the biggest tragedies of our recent past." Authorities listed the nationalities of those killed as five Portuguese, three British, two Canadian, two South Korean, one French, one Swiss, one Ukrainian and one American.

The College of Charleston confirmed Hall’s death and said she had been in Lisbon for a conference. Fran Welch, dean of the college’s School of Education, described Hall as a "dynamic instructor" who specialized in special education and shared her love of travel with students. Hall returned to her alma mater in 2019 after a career that included teaching in Ghana as a Fulbright Scholar and nearly two decades instructing special education in Charleston.

In a statement provided to local media, Hall’s family said she approached life with "infectious enthusiasm and curiosity" and highlighted that her proudest role was being a mother to two children. The family asked that she be remembered for a legacy of "love, courage, inclusion, and joy." Colleagues and former mentors echoed that portrayal, calling Hall a passionate educator who organized study abroad trips and supported inclusive arts programs.

Professor Yasha Jones Becton, who was Hall’s dissertation adviser, remembered her as "a passionate educator and an even more passionate mother." Bridget Miller, an education professor at the University of South Carolina who met Hall on a study abroad trip to Italy in May 2024, said Hall "adored" her students and taught peers how to manage groups on international trips.

Outside academia, Hall performed with Heart: An Inclusive Arts Community, which supports adult artists with disabilities, and served on the governor-appointed Charleston Disability Board. She earned a doctorate from the University of South Carolina and graduated from the College of Charleston in 1997.

Portuguese emergency services and police responded to the scene Wednesday night. Officials have not yet released a full explanation of how the streetcar left the rails. Investigators from the national accident office are collecting technical evidence and witness accounts as part of a formal inquiry, and authorities cautioned that a definitive cause could take time to determine.

The accident prompted expressions of condolence and calls for a thorough inquiry from Portuguese leaders and international officials. Hospitals treating the injured reported that five patients remained in serious condition as of Friday afternoon.

Local and national authorities continue to coordinate victim identification, family notifications and the investigation into the derailment. The Office for Air and Rail Accident Investigations said it would provide updates as more technical analysis becomes available.