Authorities across the United States are investigating after several people, including children and college students, reported receiving racist text messages from unrecognized phone numbers in recent days.

Black people from states including Maryland, New Jersey, Florida, Alabama, Michigan, Georgia, Nevada, New York, and South Carolina detail incidents where they received racist messages,

In the wake of Donald Trump's election victory, numerous Black people across the country reported receiving a racist text message from an unknown sender, according to news accounts and screenshots shared on social media.

A wave of racist text messages summoning Black people to report for slavery showed up on phones across the United States, prompting the scrutiny of the F.B.I. The N.A.A.C.P. announced that messages were received in nine states,

Jennifer Green said her 16-year-old son received a text that said he was "selected to pick cotton at the nearest plantation," the day after Election Day.