Former Newcastle goalkeeper Pavel Srnicek has died aged 47 following a cardiac arrest.
Here, we take a look at the tributes being paid to the Czech on Twitter.
“A truly beautiful soul has left this world far too early!! Thank you so much for everything you did for me Pav” – former Newcastle keeper Steve Harper.
“So very, very sad to lose my friend and former teammate @PavelSrnicekUK My thoughts are with his family at this awful time. #NUFC #RIPPavel” – Alan Shearer.
“So sad to hear about Pavel Srnicek. Proud to have known him and play with him. Absolute gentleman. #RIPPAV” – former Magpies midfielder Keith Gillespie.
“Rest in peace my friend. #Pav” – former Newcastle team-mate and keeper Shaka Hislop.
“Words fail to express the sadness at the death of my former @NUFC room mate Pavel Srnicek” – former Newcastle player Gavin Peacock.
“It is with incredible sadness that I’ve have learned that Pavel Srnicek has died. A gentleman and a great sportsman. RIP my friend” – former Manchester City keeper Peter Schmeichel.
“RIP Pavel Srnicek. Really devastating news” – Leicester keeper Kasper Schmeichel.
“It is with immense sadness that we confirm the passing of former #NUFC goalkeeper Pavel Srnicek today. Our deepest condolences go to Pavel’s family, many friends, former colleagues and supporters at this very difficult time. #NUFC” – Newcastle.
“The thoughts of everyone at #SAFC are with family + friends of former @NUFC keeper Pavel Srnicek, who has sadly passed away aged just 47” – Sunderland.
”Such a tragedy. An honour to have known & worked with you. Great man and a legend, puts things in perspective. #rip” – current Newcastle goalkeeper Tim Krul.
“R.I.P. Pavel. All thoughts are with your family! Uprimnou soustrast rodine a vsem , kteri byli Pavlovi blizci!” – Arsenal and Czech Republic goalkeeper Petr Cech.
“Absolutely heartbroken to hear the news about Pav, we’ve truly lost one of our own. Absolute gentleman and a great friend to all. RIp Pav” – former Newcastle defender Steve Watson.
“Very sad news about Pavel Srnicek. What a legend!! RIP #pavelisageordie” – West Ham striker and ex-Newcastle player Andy Carroll.
“RIP my friend @PavelSrnicekUK” – former Newcastle defender Warren Barton.
“Horrific news. Top professional. Top family man. Top keeper. Top person. Gone far,far too soon. Thoughts are with family and friends RIP Pav” – former Newcastle defender Robbie Elliott.
“Such sad news about Pavel Srnicek. My thoughts go out to his family and friends. #NUFCFamily” – former Newcastle midfielder Ryan Taylor, now playing for Hull.