New York City joined a growing chorus of states and cities suing social media companies over claims that their platforms are fueling a mental-health crisis among teens, alleging that Meta Platforms and others exploit children and adolescents.

The city filed a lawsuit on Wednesday in California state court in Los Angeles against Meta, its Facebook and Instagram platforms; TikTok Inc. and its parent company, ByteDance Ltd.; and Google LLC and its YouTube platform.

By Chris Dolmetsch

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Florida Lawmakers Vote to Restrict Children’s Access to Social Media

Passed by a bipartisan vote of 106 to 13, the measure would require social media platforms to terminate the accounts of anyone under 17 years old.