Former One Direction member Liam Payne has died at the age of 31 after falling from a hotel balcony in Buenos Aires, Argentina. Authorities are investigating the circumstances of his death, which resulted from a fall from the third floor of the CasaSur Palermo Hotel, causing severe injuries incompatible with life. Payne was reportedly acting erratically prior to the incident, including smashing a laptop in the hotel lobby. He was in Argentina to attend a concert by former bandmate Niall Horan and was accompanied by his girlfriend, Kate Cassidy. Tributes have poured in from fans and celebrities, including fellow X Factor contestants and personalities like Paris Hilton and Piers Morgan. Payne leaves behind a 7-year-old son from his relationship with Cheryl, as well as his parents and two sisters.