Hong Kong police on Thursday formally charged two people from an online pro-democracy news outlet with sedition, a day after the outlet said it would cease operations following a police raid on its office and seven arrests.

National security police said in a statement they had charged two men, aged 34 and 52, with one count each of conspiracy to publish a seditious publication but did not identify the men.

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According to local media reports, the two charged are Chung Pui-kuen and Patrick Lam, who were editors at Stand News.

The police also said they would prosecute the company for sedition.

More than 200 officers were involved in the search, police said. They had a warrant to seize relevant journalistic materials under a national security law enacted last year.

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The seven were arrested under a crime ordinance that dates from Hong Kong’s days as a British colony before 1997, when it was returned to China. Those convicted could face up to two years in prison and a fine of up to 5,000 Hong Kong dollars ($640).

Police did not identify who was arrested, but Hong Kong’s South China Morning Post newspaper reported they were one current and one former editor of Stand News, and four former board members including Ho and former lawmaker Margaret Ng.

A Facebook post early Wednesday morning on Ho’s account confirmed that she was being arrested. A subsequent message posted on her behalf said she was OK and urged friends and supporters not to worry about her.

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That post drew nearly 40,000 likes and 2,700 comments, mostly from supporters.

Early Wednesday, Stand News posted a video on Facebook of police officers at the home of a deputy editor, Ronson Chan. Chan, who is also chair of the Hong Kong Journalists Association, was taken away for questioning, the organization confirmed in a statement.

Chan, who was later released, told the media the police seized his electronic devices, bank cards and press card.

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The arrests come as authorities crack down on dissent in the semi-autonomous Chinese city. Hong Kong police previously raided the offices of the now-defunct Apple Daily newspaper, seizing boxes of materials and computer hard drives to assist in their investigation and freezing millions in assets that later forced the newspaper to cease operations.

Police charged the Apple Daily’s Lai, who is already jailed on other charges, with sedition on Tuesday.

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“We are not targeting reporters, we are not targeting the media, we just targeted national security offenses,” said Li Kwai-wah, senior superintendent of the police National Security Department. “If you only report, I don’t think this is a problem.”

He said at a news conference that those arrested had to account for their actions even if they had resigned from Stand News.