House approves sell-or-be-banned TikTok measure, attaching it to foreign aid bill

The latest effort in Congress to force TikTok to be sold is the most serious threat yet to the app's future in the U.S. (Michael Dwyer/AP)

TikTok is now hurtling toward what is perhaps its biggest threat yet in the U.S.

The House on Saturday passed legislation that could trigger a nationwide ban of TikTok if its Chinese owner does not sell the video app. The Senate could vote on the bill as soon as Tuesday.