The accounts in question were accepting money to promote external interests without revealing their affiliation. Wikipedia has blocked nearly 400 user accounts for what it calls "black hat" editing.

Online encyclopedia reveals it banned hundreds of accounts as part of an investigation into "suspicious edits and sockpuppetry" that promoted organizations or products. Steven Musil is a senior news ...

Rep. Mike Lawler's Wikipedia account was restored Wednesday evening following allegations that he had been blocked from the site. His spokesperson says the account's original block was due to editing ...