Musk declares ‘war’ on advertiser cartel

X and Rumble are suing a group called GARM for billions in damages

Elon Musk has filed an antitrust lawsuit against the Global Alliance for Responsible Media (GARM), alleging that it organized an illegal boycott of X (formerly Twitter). Video hosting platform Rumble has joined the complaint.

The suit, filed in Texas on Tuesday, follows last month’s publication of a report by the US House of Representatives’ Judiciary Committee, which...