Confirming his death, his sister took to his Twitter page, writing: “Hello, as you all might already know my brother passed away today.
“He had a very hard operation which lasted 7 hours but his heart couldn’t take it anymore, he was too weak to survive.”
She went on to add: “Heaven gained another angel, he was my rock, my everything. RIP Alex,” alongside a crying, angel and broken heart emoji.
Alex’s sister went on to say: “Thank you so much to those who supported Alex thru his hospital journey you all been so amazing!”(sic)
She continued: “You all kept him going, gave him the energy to carry on. All the messages kept his head up. He carried on due to all the nice support he had from Twitter. RIP Alex.”