A Massachusetts woman who was last seen talking to a man outside a Boston bar Saturday night remains missing, police said.

The 23-year-old woman was last seen outside Hennessy’s Bar talking to a man around 11 p.m. The woman’s sister said they had gone to the bar together but got separated – which is normal for them. She told MassLive.com they were out dancing with friends.

She said she contacted police after her sister didn’t communicate with her – which she said is out of character. Boston Police filed a missing person report and opened an investigation on Monday.

Boston 25 News reported that the woman worked for the software company Toast, Inc., and had recently moved back home. The report described her as 5 feet, 2 inches tall with blues eyes and curly brown hair.

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