Overview
- After the Nov. 2 concert at MGM Music Hall in Boston, Halsey spent the night in the Mass General ER until about 6 a.m., calling it a “minor medical emergency.”
 - In Instagram Stories, she reassured fans she felt well enough to return and noted she might pace herself during the second Boston performance.
 - The singer thanked Massachusetts General Hospital staff by name, praising doctors Kian and Victoria and nurses Carolyn and Alicia for their care.
 - She did not disclose what prompted the ER visit, which follows her September update about completing more chemotherapy and receiving a new port.
 - The Back to Badlands 10th‑anniversary tour continues with U.S. dates through mid‑November before additional legs in North America, Europe, the U.K. and Australia.