• "I would like to express my sincere support at this difficult moment for you," the Kremlin quoted Putin as saying in a message to Johnson.
• "I am sure that your energy, optimism and sense of humour will help to defeat the disease."

"I would like to express my sincere support at this difficult moment for you," the Kremlin quoted Putin as saying in a message to Johnson.

"I am sure that your energy, optimism and sense of humour will help to defeat the disease."