(CNN) Both members of UK indie band Her's have been killed in a car crash in Arizona, the duo's record label said Friday.

Stephen Fitzpatrick and Audun Laading were killed along with their tour manager, Trevor Engelbrektson, early Wednesday, according to the Heist or Hit record label.

The Liverpool group, who described themselves as an "international supersonic spectral wave," was midway through a 19-gig North American tour to promote their debut album, "Invitation to Her's."

They had performed in Phoenix, Arizona on Tuesday and were traveling 350 miles to Santa Ana, California for their next scheduled performance when the crash happened.

Rumour has it that in the morning hours in Austin; two dudes can be seen floating around the Ladybird Lake on barge, and if you keep very still a little tune might float your way 🛥👻👻 Thanks to the @bbcintroducing gang for capturing this~ !https://t.co/6ojPHoLR1z — Her's (@ThatBandOfHers) March 26, 2019

The collision took place on Interstate 10 around 1 a.m., and the Arizona Department of Public Safety reported that four people were killed when a pickup truck collided head-on with the band's passenger van.

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