[WASHINGTON] The US designated six more Chinese publications as "foreign missions," adding to the list of media outlets it describes as controlled by Beijing which must meet requirements similar to those imposed on embassies and consulates in America.

The outlets include the Economic Daily, which provides an important window into Beijing's economic views, and the Jiefang Daily, the official publication of Shanghai's powerful Communist Party Committee. The others - Yicai Global, Xinmin Evening News, Social Sciences in China Press, and the Beijing Review - are less widely known.

"They are all substantially owned or effectively controlled by a foreign government," Secretary of State Michael Pompeo said Wednesday in a briefing. "We're not placing any restrictions on what these outlets can publish in the United States. We simply want to ensure that American people, consumers of information, can differentiate between news written by a free press and propaganda distributed by the Chinese Communist Party."

On Thursday, Chinese Foreign Ministry spokesman Zhao Lijian condemned Washington's "unjustified" moves and vowed to retaliate with "necessary responses."

The US move, and the subsequent Chinese threat, are the latest tit-for-tat actions in the row between the Beijing and Washington over media freedom. In February, the US designated five Chinese media outlets "foreign missions," including Xinhua News Agency and the China Daily. Beijing responded by expelling more than a dozen journalists from three American newspapers. The two sides are also embroiled in an ongoing dispute over journalist visas, with each delaying the renewal of each other's press credentials.

"The US has gone too far," Hu Xijin, the editor-in-chief of the Communist Party-backed Global Times, wrote in a tweet Thursday. "The move will further poison working environment of media outlets in each other's country." Mr Hu added that China will "definitely" retaliate if Chinese media outlets suffer actual harm following the latest American restrictions and that Beijing could target US media outlets in Hong Kong.

GET BT IN YOUR INBOX DAILY

Start and end each day with the latest news stories and analyses delivered straight to your inbox.

Sign UpVIEW ALL

Mr Hu's tweets are closely watched after he accurately forecasted previous moves by Beijing, even though his statements at times don't reflect official policy.

Media freedom has long been a point of US-China friction. Whereas American media companies are largely private and protected by the First Amendment, China's news organisations are either state run or closely censored. All are overseen by the party's Central Publicity Department. Chinese government spokespeople have repeatedly condemned the "unreasonable suppression" of the Chinese media in America.

BLOOMBERG