Overview
- After the Nov. 2 performance at Boston’s MGM Music Hall, Halsey spent the night in the Massachusetts General Hospital emergency room until about 6 a.m.
 - She described the incident as a minor medical emergency without specifying a cause and told fans she felt ready to perform the Nov. 3 show.
 - Halsey thanked Mass General’s doctors, nurses, and staff, calling them the best team she has ever met.
 - The singer recently reported completing additional chemotherapy sessions and having a new port placed, following her 2022 diagnoses of lupus and a rare T‑cell lymphoproliferative disorder.
 - The Back to Badlands tour continues with U.S. dates through mid‑November and further North American, European, U.K., and Australian legs scheduled, as she also says her label is blocking the release of new music.