Last week’s mass shooting at an elementary school in Uvalde, Texas, has thrown a spotlight on a little-known social media app called Yubo that has a small but growing user base of mostly young people.

NEW YORK — Described by its inventors as a "social live-streaming platform" that allows its mostly teenage users to make friends worldwide, join communities and even find a date, Yubo has emerged as ...

The social media app Yubo announced that it has made a number of safety changes to its platform after reports emerged that the Uvalde, Texas, school shooter used the app to post disturbing messages.