Thai authorities said on Wednesday they are investigating a Bangkok clinic where a Nigerian-born British businessman and influencer underwent a penis enlargement procedure that led to his death. A coroner in London last month ruled that the March 6 death of Igho Ubiribo, 43, in the Thai capital was caused by the hyaluronic acid injection he received hours earlier. The case has reignited debate about medical tourism, with Thailand a leading destination for visitors from abroad seeking healthcare,...