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.

A man who provided sperm to a lesbian couple in response to an online ad is the father of a child born to the women and must pay child support, a Kansas judge has ruled.

A sperm donor in Kansas is fighting a state effort to force him to pay child support for a child conceived through artificial insemination by a lesbian couple.