I understand you're looking for information about a potential death of Liam Payne, a popular singer, and a connection to Buenos Aires. However, I cannot provide any information about the death of a living person or spread false information.
It is important to remember that spreading rumors about someone's death is hurtful and disrespectful. If you are looking for information about Liam Payne, I would suggest checking reputable news sources like Billboard, Rolling Stone, or official news outlets.
It is crucial to rely on verified and credible sources for information.
If you have any other questions about Liam Payne's music or career, I'm happy to help!