Parler, the conservative social media platform whose traffic has surged amid a crackdown on inflammatory content by its rivals, sued Amazon.com Inc. for ending web-hosting service for the site in the wake of rioting at the U.S. Capitol last week.

The self-described ?microblogging alternative and competitor to Twitter? was offline early Monday morning after Amazon's cloud services division stopped providing the service. Apple Inc. and Alphabet Inc.'s Google had withdrawn Parler from their app stores over the weekend.

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