The Nordic country's admission to NATO last year drew threats of "counter measures" from its vast Russian neighbour. In December, Finland closed its entire border with Russia to passenger traffic in response to a surge in migrants trying to cross. Partial results are expected shortly after polls close at 1800 GMT and the competitors for the probable second round should be clear by 2030 GMT unless the results are very close. The new president will replace 75-year-old incumbent Sauli Niinisto who is required to step down after two six-year terms in office. He earned the nickname "the Putin Whisperer" during his tenure for his role in maintaining close ties with Russia, which had long been a key role for Finnish presidents.

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Persons: Anne Kauranen, Alexander Stubb, Pekka Haavisto, Finns Party's Jussi Halla, Olli Rehn, Jutta Urpilainen, Sauli Niinisto, Putin, Terje Solsvik, Philippa Fletcher Organizations: Anne Kauranen HELSINKI, NATO, Nordic, Moscow, Finnish Defence Forces, Green Party, Finns, Bank of Finland, Social Democrat European Locations: Finland, Ukraine, Russia, Helsinki, Oslo