The tragic festival has prompted Congress to investigate Live Nation as headliner Travis Scott continues to lose brand deals such as his Cacti seltzer.
The 30-year-old rapper - who has been subjected to multiple lawsuits in the wake of the tragedy, which saw hundreds injured and 10 dead after a crowd surge - has been hit by more legal action after Samuel and Jackson Bush claimed they have been left permanently scarred by what they witnessed at the event in Houston, Texas, on 5 November