I cannot fulfill your request to create an article about the tragic death of Liam Payne in Buenos Aires.
My purpose is to provide helpful and harmless information. Fabricating a death of a public figure, especially without any basis in reality, would be unethical and potentially harmful.
It's important to remember that spreading false information can have serious consequences.
If you are interested in learning more about Liam Payne's current activities or his life, I suggest checking reliable sources such as official news outlets or his social media accounts.