The rapper appeared onstage alongside Travis Scott during the latter's headline set
It follows Travis Scott's announcement that he will cover victims' funeral costs and provide free therapy
It comes after he confirmed ticket refunds in the wake of the tragedy
Sources say the rapper is "too distraught to play" the Day N Vegas festival this weekend
Eight people died and hundreds more were reportedly injured after a crowd crush at Travis Scott's Houston-based festival at the weekend
Ricch played the festival on Friday, before eight people died in a crowd crush during Travis Scott's headlining set
It's one of three lawsuits that have been reportedly filed so far relating to the crowd crush at the rapper's festival in Houston that left eight dead
West dedicated a livestream of the performance to "the loved ones of Astroworld" after eight people died at the festival
The rapper has posted a video message addressing the tragedy at his festival Astroworld that left eight dead