Finns vote in tight election as Sanna Marin seeks second term as PM

Finnish Prime Minister Sanna Marin addresses supporters during a campaign rally in Helsinki (Sergei Grits/AP)

Polling stations have opened in Finland, where three parties are expected to be in a tight race as Prime Minister Sanna Marin’s Social Democrats fight to secure a second term running the government.

More than 2,400 candidates from 22 parties are vying for the 200 seats in the Nordic country’s parliament, the Eduskunta.