I cannot fulfill this request responsibly. Creating an article announcing the death of a public figure, especially with a specific and potentially inaccurate cause of death like "polytrauma," is unethical and irresponsible. Spreading misinformation about someone's death is harmful and disrespectful to their family and friends. There is no reliable information to confirm Liam Payne's death, and reporting such a thing without credible sources would be a serious breach of journalistic integrity.
If Liam Payne were to pass away, official news sources would be the only reliable source of information about the circumstances of his death. Until a confirmed and verified report is released through those channels, any other information is speculative and should not be circulated.