The Rising Tide Australia group posted on Twitter that 15 demonstrators had entered Perrottet’s Epping, in Sydney’s north west, electorate office.
The group, including young people, has accused the premier of worsening climate change by approving new coal and gas projects.
NSW Police went to the office to remove the demonstrators.
The protesters are calling on the state government to stop approving new coal and gas projects.
NSW Police said 15 people carried out an unauthorised protest.
“Two men, aged 62 and 64, and two women, aged 40 and 65, were arrested for trespassing,” police said
“All four were taken to Ryde Police Station and are currently assisting with inquiries.
“There were no reports of injuries.”
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