ABC election analyst Antony Green has taken just over an hour to call the Wentworth by-election in favour of independent candidate Kerryn Phelps, with Prime Minister Scott Morrison laying the blame square at the feet of the Labor Party.

On a disastrous night for the Liberal Party, early results show a swing of more than 20 per cent against its candidate Dave Sharma.

“We blame the Labor Party. We blame Bill Shorten,” Scott Morrison told reporters.

“They supported Dr. Kerryn Phelps.”

The seat has been held by the Liberal Party, and its predecessors, since Federation.

Image: ABC