President Trump's executive order banning the use of Chinese mobile messenger'WeChat' in the United States has been put to a stop by a US court.

The Trump administration's action is against the First Amendment to the United States, which guarantees freedom of expression.

Correspondent Yunsoo Kim reports from Washington.

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Northern District Court of California, USA, has accepted a request for temporary injunction to end the effect of an executive order banning the use of WeChat.

Federal Judge Biller says the Trump administration's ban on WeChat could violate the First Amendment's authority to ensure freedom of expression.

Judge Biller said WeChat is de facto the only means of communication for many in the Chinese community, and stressed that it is in the public interest to prevent banning the use of WeChat.

The Trump administration's claim that WeChat poses a threat to US national security dismissed the lack of evidence.

Earlier, President Trump announced sanctions against TikTok and WeChat, saying there is a concern that personal information of Americans may be passed on to the CCP.

[Trump/US President: We must have full security from China.

We will not do anything that threatens our security.]

Initially, TikTok also decided to stop downloading new apps from today, but the implementation of this action was postponed for a week.

TikTok is in negotiations with US companies Oracle and Wal-Mart.

The U.S. Department of Commerce is also expected to go against the court's decision, leading to fierce court battles over the Trump administration's public sanctions.