Mourning starts as Houston officials probe concert deaths

Stacey Sarmiento places flowers at a memorial Sunday in Houston, in memory of her friend, Rudy Pena, who died in a crush of people at the Astroworld music festival on Friday. (AP Photo/Robert Bumsted)

HOUSTON — Investigators Sunday worked to determine how eight people died in a crush of fans at a Houston music festival, as families mourned the dead and concertgoers recounted the horror and confusion of being trapped in the crowd.