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Attorney General Merrick Garland and other U.S. Justice Department officials will brief reporters Thursday on their decision to file an antitrust suit against An apple.

The Justice Department and 16 attorneys general filed the long-awaited lawsuit Thursday, alleging that Apple’s iPhone ecosystem is a monopoly and that its anticompetitive practices extend to the company’s Apple Watch, advertising, browser, FaceTime and news offerings.

Garland will be joined at Thursday’s press conference by Deputy Attorney General Lisa Monaco, Acting Assistant Attorney General Benjamin Mizer, Assistant Attorney General Jonathan Kanter of the Antitrust Division and New Jersey Attorney General Matthew Platkin.

The case is the Justice Department’s third case against Apple. She previously sued the tech giant over e-book pricing and an alleged secret pay-cutting scheme.

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