Taylor Swift has won long-awaited vindication after a jury decided that a radio host groped her during a pre-concert photo op four years ago.

A judge has dismissed a former Denver DJ's case against pop superstar Taylor Swift just before jurors were due to hear closing arguments in duelling lawsuits over whether he groped her during a meet-and-greet event and she and her team ruined his career.

A jury in the US has convicted two young brothers of battering their sleeping father to death with a baseball bat in an unusual case in which a family friend was acquitted of the crime under a completely different prosecution theory.