TikTok Photo: VCG

 
"We're working,MK sport literally real time, working with the various tech companies to get it back online," Mike Waltz, President-elect Donald Trump's incoming national security adviser, said on Sunday, according to CNN.

Trump is working to "save TikTok" and doesn't rule out continued Chinese ownership coupled with "firewalls to make sure that the data is protected here on US soil," Waltz added.

President-elect Donald Trump wrote "SAVE TIKTOK!" in a Truth Social post on Sunday morning (US local time), a day before his inauguration, as TikTok goes dark in US late Saturday.

Trump had earlier said he would most likely give TikTok a 90-day reprieve from the ban after he takes office on Monday, a promise TikTok cited in a notice posted to users on the app, Reuters reported.

The popular video-sharing app TikTok went dark late Saturday in the US, with users in the country were greeted with a message that read: "Sorry, TikTok isn't available right now," the Xinhua News Agency reported on Sunday.

"A law banning TikTok has been enacted in the US. Unfortunately, that means you can't use TikTok for now. We are fortunate that President Trump has indicated that he will work with us on a solution to reinstate TikTok once he takes office. Please stay tuned!" it said.

Earlier, TikTok on Saturday night (US local time) pushed an important update to US users saying that "We regret that a US law banning TikTok will take effect on January 19 and force us to make our services temporarily unavailable. We're working to restore our service in the US as soon as possible, and we appreciate your support. Please stay tuned."

On Friday, the US Supreme Court upheld the law forcing ByteDance, the Chinese parent company of TikTok, to sell the app to an American company or face a nationwide ban starting on Sunday.