Wife gives evidence at Luton manslaughter trial

The wife of a man who died after being hit with a single punch has told a court how she heard the attack while talking to him on the phone.

48-year-old Kevin Harrison from Raunds in Northamptonshire was celebrating a friend's birthday when he was punched to the ground in St Paul's Square in Bedford last September.

24-year-old Ravi Sandu from Bedford admits throwing a punch but denies manslaughter.