Detectives investigating the fatal stabbing of Daniel Frederick near his home in Stoke Newington have now charged four people with murder.
Daniel, a 34-year-old father, was killed metres from his home in Shakspeare Walk on the Milton Gardens Estate on January 8, after attending a hospital appointment for his pregnant partner.
Scotland Yard today said a 16-year-old, who had been arrested and bailed in January, was charged last week.
It follows the charge of 18-year-old Kacper Karasinski of Mount Pleasant Lane, Upper Clapton, in January.
Another 16-year-old from Hackney was charged with murder on March 27 having been arrested a month earlier.
And a fourth teenager from the borough, 17, was charged on March 15.
All four have been remanded in custody and will go on trial at the Old Bailey on July 24.
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