Murder trial jury asked to acquit 'on grounds of self-defence'

The barrister of a Dublin man who stabbed his friend to death has asked his trial jury to acquit him of murder on grounds of self-defence.

Diarmaid McGuinness SC, defending, was giving his closing speech in the trial of the 36-year-old, who is charged with murdering his life-long friend and causing serious injury to another man.