A 35-year-old antheral arrested connected suspicion of causing grievous bodily harm aft a suspected acerb onslaught connected a miss extracurricular a westbound London schoolhouse has been released connected bail, constabulary person said.
Teagan McFarlane, 14, suffered "potentially life-changing" injuries and needed country pursuing the onslaught connected Monday afternoon.
A 16-year-old lad was besides injured extracurricular Westminster Academy, Westbourne Park, portion a unit subordinate was wounded trying to assistance them.
A 14-year-old miss has been arrested and besides released connected bail, the Metropolitan Police said.
The arrested antheral was bailed connected Friday pending further enquiries.
Police are continuing to entreaty for dashcam footage of the incident.
Detectives said "a lone man" threw a substance astatine the teenagers earlier fleeing connected an electrical scooter on Harrow Road.
Corey McFarlane, Teagan's father, antecedently said "words could not explicit the shock, pain, and trauma" his girl is going through, "both physically and emotionally".
He added that she was initially discharged from hospital, but was aboriginal readmitted.
The 16-year-old lad was treated astatine infirmary and has present been allowed home.