After the death of One Direction's Liam Payne, the band issues a joint statement, while Louis Tomlinson and Zayn mourn him in tribute posts.

Liam Payne's former One Direction bandmates Harry Styles, Louis Tomlinson, Niall Horan and Zayn Malik released a statement on Thursday saying they are "completely devastated" by his death . Payne died Wednesday after falling into the interior patio of a hotel in Buenos Aires, officials in Argentina said. He was 31-years-old.

One Direction released a joint statement Thursday responding to the sudden death of Liam Payne, saying that they "will miss him terribly."

Zayn Malik has postponed his solo tour after the death of his "One Direction" bandmate Liam Payne, telling fans the U.S. leg would be put on pause.

Investigators in Argentina are now working to reconstruct Payne's final hours, after saying the singer's death likely occurred after "some kind of episode due to substance abuse." Payne's room was found destroyed,

"For the record, Liam was in my opinion the most vital part of One Direction." Louis Tomlinson is mourning his former One Direction bandmate Liam Payne, who died suddenly on Wednesday at 31. “I am beyond devastated to be writing this but yesterday I lost a brother,

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The affected dates of Malik's Stairway to the Sky tour include his Oct. 27 show at L.A.'s Shrine Expo Hall. New dates are yet to be announced.

Zayn has postponed the launch of his first-ever headlining tour, citing the “heartbreaking loss” of Liam Payne. On Saturday, Zayn issued a statement via Instagram explaining he had made the decision to postpone the U.