Authorities are investigating the causes behind a deadly crowd surge at the Astroworld music festival in Houston – CNN

Authorities are investigating the causes behind a deadly crowd surge at the Astroworld music festival in Houston  CNNAstroworld Festival: Police confirm victims may have been injected with drugs, launch criminal probe  Fox NewsOver two dozen arrested following Houston music festival | TheHill  The HillHouston leaders seek clues for concert mishap that killed 8  ChronInvestigations widen into deadly stampede at Houston rap concert  ABS-CBN News