NEWARK, N.J. (CBSNewYork) — The City of Newark’s computer system has been disabled by hackers allegedly demanding thousands in ransom money, according to a published report.

Hackers are demanding payment of 24 bitcoins, the digital currency, which equals around $30,000, TAPintoNewark reported, citing a document they obtained.

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In a statement, the city’s chief information officer confirmed that some city computers were hit with a virus on Friday and over the weekend.

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“The virus compromised our network and disrupted many services that we offer,” said Seth Wainer, Chief Information Officer for the City of Newark.

Police services are unaffected, according to Wainer.

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“Some of our digital services are unavailable. We understand this causes an extreme disruption to residents who have come to depend on regular services – and we apologize,” Wainer said, adding that they are working closely with state and federal law enforcement “to address the present emergency and better prepare ourselves for the future.”