SINGAPORE—Facebook Inc. said it is preparing to legally challenge Thailand’s government in connection with orders to block access to a group on the website focused on the Thai monarchy, a politically sensitive subject in the country.
The private Facebook group, called the Royalist Marketplace, was created in April and quickly became a forum to debate and scrutinize the powerful royal family’s role in politics. It amassed a million members at a time when a youthful new movement is demanding greater accountability from the monarchy.
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