evidence: A website founded by a former US Marine who now lives in Russia has fuelled a rumour that Volodymyr Zelensky purchased two luxury yachts with American aid money. [...] In October, a widely shared claim on social media stated that President Zelensky's wife spent a fortune on jewellery in New York while the Ukrainian president was in the city speaking to the United Nations. [...] The woman showed a receipt dated 22 September, with Mrs Zelensky's name on it and a bill for $1.1m for a bracelet, earrings and a necklace.