He had been rushed to hospital by the ambulance service while Hertfordshire Constabulary scoured the area to find the attacker.after he evaded the search, describing him as white, 5ft 10ins, around 17 years old, wearing a black puffer jacket and carrying a Flannels branded bag.
As they appealed information on May 4, police asked witnesses to the attack or the events leading up to it to get in touch. Anyone with information can email vishal.khanna@herts.police.uk or call 101 quoting crime reference 41/34268/23.
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