The jury in a murder trial has been discharged because the judge is "self-isolating", a court has said.
Eight men have been on trial at Harrow Crown Court charged in connection with the death of Luke O'Connell, 26.
Mr O'Connell was stabbed following a three car crash in Gammons Lane, Watford, on August 31 last year.
Hertfordshire Constabulary confirmed there is set to be a re-trial later in the year.
Harrow Crown Court said the jury was discharged because the trial judge "is self-isolating due to an existing underlying health condition".
Aamir Mustafa, 22, of no fixed address, Shahnavaz Azad, 27, of no fixed address, Umar Sarfraz, 21, of Whippendell Road, Watford, Mohammed Haroon Azad, 21, no fixed address, Mohammed Hamza Shah, 20 of Hagden Lane, Watford, Hamza Azad, 23, of Nicholas Close, Watford and Mohammed Hussnain, 24, of St. Georges Road, Watford have all been charged with murder.
Mohammed Raja Azad, 48, of Nicholas Close, Watford, has been charged with assisting an offender.
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