Top UEFA referee Ovidiu Hategan suffered a heart attack over the weekend, according to reports, leading to him being rushed to hospital in Romania for surgery which saw him fitted with a stent.
Hategan, 41, has officiated in global competitions for a number of years, and most notably took charge of Manchester United's draw at Atletico Madrid in the Champions League last-16 last month.
However, he is said to have complained of severe chest pain yesterday, a worrying situation which led to him being operated on by doctors. He will now remain under medical supervision until the end of the week.