Oslo  - Voting began Sunday in a two-day parliamentary election in Norway, with 3.5 million voters set to decide whether to continue the government of Social Democrat Prime Minister Jens Stoltenberg and his coalition with the Socialist Left and Liberal parties.

The main challengers to the Stoltenberg-led coalition are the Progress Party of rightwing populist Siv Jensen and the conservative party led by Erna Solberg.

Election results are expected at the latest on Monday evening.  dpa