Austria's vice chancellor has said a member of his party will resign after penning a poem that compared migrants to rats, drawing widespread criticism and angering Chancellor Sebastian Kurz.

Austria's highest court has ruled the government was within its rights to seize the house where Nazi dictator Adolf Hitler was born in 1889 after its owner refused to sell it.

A lawyer for the owner of the Austrian house where Adolf Hitler was born is disputing the government's right to take possession of the property at the country's highest court.

Austrian officials plan to try to expropriate the house where Nazi dictator Adolf Hitler was born in order to keep it from falling into the wrong hands.