NEW YORK (AP) — Facebook’s fight against prosecutors over nearly 400 search warrants for users’ postings and other data is drawing support from other social media companies and civil libertarians.

Lawyers for Foursquare, Kickstarter, Meetup, and Tumblr said Monday they were seeking to join the clash on Facebook’s side. The New York Civil Liberties Union and the American Civil Liberties Union also have recently said they were backing Facebook.