Russian President Vladimir Putin could meet his Ukrainian counterpart Petro Poroshenko on the sidelines of the World Cup final in Brazil, although no talks were being planned at this point, a spokesman for the Kremlin has said.
"We are not preparing any separate meetings. As far as we know, he is going there too," said Kremlin spokesman Dmitry Peskov in the Argentine capital Buenos Aires.
"There will be some separate room for leaders at the stadium, and therefore one of course cannot rule it (meeting) out," he said on the sidelines of a meeting between Putin and Argentina's president, Cristina Fernandez.
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The Cameroonian international collapsed just seven minutes after coming onto the field, according to reports.