India, July 17 -- Photos ofDonald Trump with severelyswollen ankles at theFIFA Club World Cup on Sunday sparked health fears. Now, aphysician has raised concerns that the US President may be facing a serious health issue.

Dr Jeff Foster, Medical Director of Manual, told ReachPlc what Trump's swollen ankles could mean. "Ankle swelling can be due to a range of factors: anything from standing up for too long in the hot weather, to heart or liver problems," he said. "The big one we worry about is heart failure which is a condition where the heart cannot pump the blood around the body fast enough which results in fluid pooling in the feet and ankles."

Foster added, "While we all get a tight rim round our socks in the heat, we don't usually s...