Friends and collaborators have expressed shock and sadness over the death of former One Direction singer Liam Payne, who has died in Buenos Aires, Argentina at age 31.

An autopsy revealed One Direction singer Liam Payne died from “polytrauma” and “an internal and external hemorrhage.”

Liam Payne's family said they're heartbroken after the musician fell to his death from a hotel balcony in Buenos Aires, Argentina. Payne, who belonged to the wildly successful band One Direction before its members split up to pursue solo careers in 2016, was 31.