Houston Open Air has been cancelled due to "ongoing circumstances as well as continuous relief efforts needed to help stabilize Houston and its surrounding areas."
"All tickets purchased online or by phone through Ticketmaster will be refunded automatically."
The area has been severely affected by Hurricane Harvey.
Bands like Avenged Sevenfold, Five Finger Death Punch, Stone Sour and Of Mice & Men were set to perform at the event.
To support hurricane relief efforts, head here.
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