Prince Harry and Duchess Meghan are highlighting the dangers of social media use for children with a new memorial in New York City.

Prince Harry and Meghan Markle said at a vigil on Wednesday that adults should set the example for how people should use social media.

Prince Harry and Meghan are unveiling a memorial in New York City they say is dedicated to children who have died due to the harms of the internet. "We want to make sure that things are changed so