
Chinasaid on Tuesday it had a right to put out its own views afterTwitterandFacebooksaid they had dismantled a state-backed social media campaign originating in mainlandChinathat sought to undermine protests in Hong Kong.
TwitterInc said on Monday it suspended 936accountsand the operations appeared to be a coordinated state-backed effort originating inChina.
FacebookInc said it had removedaccountsand pages from a small network after a tip fromTwitter.
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Facebooksaid its investigation found links to individuals associated with the Chinese government.
"These accounts were deliberately and specifically attempting to sow political discord in Hong Kong, including undermining the legitimacy and political positions of the protest movement on the ground," Twitter said, referring to the accounts it shut down.
"We are disclosing a significant state-backed information operation focused on the situation in Hong Kong, specifically the protest movement and their calls for political change," Twitter said.
Foreign ministry spokesman Geng Shuang declined direct comment on theTwitterandFacebookactions but defended the right of Chinese people and media to make their voices heardoverthe Hong Kong protests.
"Although the people behind this activity attempted to conceal their identities, our investigation found links to individuals associated with the Chinese government," Facebook said.
TwitterandFacebookhave come under fire from usersovershowing ads from state-controlled media that criticised the Hong Kong protesters.
Twittersaid Monday it would no longer accept advertising from state-controlled news media, and told Reuters the change was not related to the suspendedaccounts.
TwitterandFacebookareblocked by the Chinese government from being used in the mainland but are freely accessible in Hong Kong, where protests since June have plunged the Chinese-ruled territory into its most serious crisis in decades.
Chinese media use foreign social media to communicate with people around the world to introduce them to Chinese policies and "tellChina's story", Geng said.
"I don't know why certain companies or peoples' reaction is so strong," he added.