US media's reporting Rapper Juice WRLD has died at the age of 21.
According to TMZ, he suffered a seizure at Chicago's Midway airport shortly after getting off a flight.
He was treated by paramedics -- but died shortly afterwards in hospital.
The cause of his death is not yet known.
Juice WRLD -- whose real name was Jared Anthony Higgins -- played last year's Longitude festival at Marlay Park in Dublin.
He made it to number two on the US charts in 2018 with "Lucid Dreams".