Publishers sue state of Idaho over library book bans

Lawsuit says its definition of harmful materials' forbidden to under 18s is vague and overbroad' and puts librarians at risk

A group of major publishers in the US are suing the state of Idaho over a book-banning law.

HB 710, enacted last July, forbids anyone under the age of 18 from accessing books deemed harmful to minors", including those depicting sexual conduct", in school or public libraries.