The club released a statement on their social media accounts confirming the painful death of the 60-year-old Thai businessman, and also announced that Tuesday's proposed Carabao Cup game against Southampton will be called off and black armbands will be worn at matches over the next seven days.
Footballers, Clubs and coaches have started morning his death on social media.
Thousands of supporters were also pictured on Sunday, laying hundreds of flowers, shirts, and scarves, in a sign of the depth of feeling for the Thai businessman.