The Latest Breaking News from Roman Abramovich

It comes after reports the Chelsea FC owner has been flying between Moscow and Kyiv to relay messages between Putin and Zelensky in a bid to help with a potential peace agreement

At least two senior members of Ukraine’s delegation also developed symptoms

(Refiles with additional reporting credit)

Abramovich is looking to sell Chelsea and it remains unclear if Granovskaia would remain at Stamford Bridge to work alongside the new owners

Barclaycard users report that they cannot make log in to their accounts this morning to make payments or pay off credit card balances, with problems being logged across the country

As Chelsea’s ownership contenders continue to jostle for position, a flat Wembley friendly against Switzerland offered all England fans at least one reason to want the club to end up in safe hands.

Irpin's mayor said Ukrainian forces had retaken control of the city as some 170,000 civilians remained trapped in Mariupol without adequate food, water or medicine, according to Ukraine’s foreign ministry. Read about the events as they unfolded on Monday's live blog. All times indicated are Paris time [GMT+1].

Russia and Ukraine to hold fresh talks; Ukrainian military claims Russian troops withdrawn from around Kyiv after heavy losses

Ukraine news from March 28: Joe Biden refuses to backtrack after saying Vladimir Putin ‘cannot remain in power’.