Chelsea's shirt sponsor - mobile phone company Three - have confirmed it will be suspending their sponsorship of the club until further notice.
The firm announced they will be removing their logo from all Chelsea kits and around Stamford Bridge.
Sanctions were placed on Chelsea owner Roman Abramovich early on Thursday morning in the wake of Russia's invasion of neighbouring Ukraine.
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An official Three spokesperson said: "In light of the government's recently announced sanctions, we have requested Chelsea Football Club temporarily suspend our sponsorship of the club, including the removal of our brand from shirts and around the stadium until further notice.
"We recognise that this decision will impact the many Chelsea fans who follow their team passionately. However, we feel that given the circumstances, and the Government sanction that is in place, it is the right thing to do.
"As a mobile network, the best way we can support the people of Ukraine is to ensure refugees arriving in the UK from the conflict and customers currently in Ukraine can stay connected to the people who matter to them.
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"Therefore, we are offering connectivity packages to all Ukrainians arriving in the UK, and those in Ukraine."
Chelsea are set to play Norwich City at Carrow Road this evening.
The Blues announced Three as their shirt sponsor in 2020, replacing Yokohama Tires after five years.
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Under current sanctions, Chelsea will not be allowed to sell tickets to fans and only pre-existing ticket holders can attend games.
They're also unable to buy and sell players as things stand, meaning players out of contract will have no choice but to leave.
Chelsea can reportedly still be sold as long as Abramovich doesn't benefit from a sale in any way.
The club released a statement confirming they will attempt to get their general licence amended.
Topics: Chelsea, Premier League, Russia, Roman Abramovich
Daniel Marland