Voters fill in their ballots at Town Hall in Sydney, Australia, in a federal election, Saturday, May 18, 2019. Polling stations have opened in eastern Australia on Saturday in elections that are likely to deliver the nation's sixth prime minister in as many years. (Photo: AP)

Australia's ruling conservative coalition appears to have secured a shock election win Saturday, with national broadcasters predicting the party has defied expectations to retain power.

National broadcaster ABC called the election for Prime Minster Scott Morrison's coalition, although it was not clear if it would be a minority or majority government.