Liam Payne's sister Nicola learned of his death through an alert on her phone: 'I went cold.' Meanwhile, toxicology identifies some of the drugs in his system.

The former One Direction member, who died last week at 31, lived a life defined by the internet and its evolving relationship to fandom.

Liam Payne‘s older sister Nicola has publicly paid tribute to the 31-year-old singer following his death. On Monday (Oct. 21), five days after the One Direction star died after falling from the third floor of his hotel room in Buenos Aires,