A group of protesters spent the night at a sit-in protest Thursday at Sen. Rob Portman Robert (Rob) Jones PortmanRomney undecided on authorizing subpoenas for GOP Obama-era probes Congress needs to prioritize government digital service delivery House passes B bill to boost Postal Service MORE's (R-Ohio) Cincinnati offices to demand he vote against the Senate GOP's healthcare bill.

Protestors still inside Senator Portman's office after 12+ hours, demanding a NO vote on proposed healthcare plan. Photo via @grouchd @WCPO pic.twitter.com/4gAtDTnv3h — Ally Kraemer (@AllyKraemer) July 7, 2017

Update: Protester Megan Anderson says they're in great spirits, no food, but they do have a water fountain & a bathroom. @WCPO

— Ally Kraemer (@AllyKraemer) July 7, 2017

Seeing support for protesters at the office of senator @robportman. 34th floor is locked down, no one in unless you work there. @WCPO pic.twitter.com/4YusAtllCC — Ally Kraemer (@AllyKraemer) July 7, 2017

A protestor told Cincinnati television station WCPO over the phone the demonstrators do not plan to leave until they receive a response from Portman. As of 7 a.m. Friday, she said they had not heard anything.

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Portman did not publicly say he was against the Senate healthcare bill until after Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE (R-Ky.) pulled it from consideration amid internal GOP opposition.

The Senate GOP is expected to try to pass the bill again after negotiations to win over Republican senators who have opposed it.

Activists have planned to stage a round of sit-ins at the offices of Republican senators in 21 states.