Two teenagers have been arrested after a 15-year-old boy was assaulted in a park in July.
The incident happened at Raphael Park, Main Road, Romford and the victim was taken to hospital before getting discharged.
A 17-year-old boy was arrested on suspicion of assault on Sunday September 25.
Another 17-year-old boy was arrested on suspicion of assault on Monday September 26.
Both have been bailed to attend an east London police station on a date in late November.
A Met Police spokesman said police were talking to a third person in relation to the incident.
A video showing a boy being violently punched in the head and kicked on the ground by a group of boys in a wood went viral on Monday evening.
Anyone with information can contact police via 101 or Crimestoppers anonymously on 0800 555 111.
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