Abba stars caught up in copyright battle over musical

Abba stars Benny Andersson and Bjorn Ulvaeus must await a court's decision to find out if they can stage their new musical as a full theatrical spectacular in America.

A ninth of the people in the songwriters' native Sweden have seen the show 'Kristina Fran Duvemala' and now the duo are looking to stage the musical in America, but their plans have been halted by a script row.