Louis Tomlinson has addressed Liam Payne’s death in a touching tribute posted hours after the latter fatally fell from the third-floor balcony of his hotel room in Argentina. Tomlinson, 32, took to Instagram on Thursday to break his silence on his former One Direction bandmate’s sudden passing.

Liam was in my opinion the most vital part of One Direction,’ Louis wrote in an emotional statement about Liam.

An initial toxicology report has found the former One Direction star had multiple drugs in his body at the time of his death, several media outlets have reported.