BOSTON —

Pop star Halsey says she suffered a minor medical emergency following her concert at MGM Music Hall at Fenway on Sunday night.

"Boston I'm gonna be honest with ya, after the show last night I was in the ER till 6 this morning," the singer wrote on her Instagram story.

The nature of the medical incident is unclear.

Halsey thanked the team at Mass. General Hospital and gave a shoutout to both her doctors and nurses, saying she is "so grateful" for their care.

Her second concert in Boston went on as planned Monday night.

Halsey's "Back to Badlands" tour continues Tuesday night in Washington, D.C.

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