Investigators believe there are people who know where he is who have not come forward.

They warned anyone found assisting him faces arrest.

Ezedi, 35, has been urged by police to hand himself in after going on the run following the attack involving a corrosive alkaline substance.

Twelve people were injured, including a mother, 31, and her two daughters, aged three and eight. All three remain in hospital, with the mother's injuries thought to be "life-changing".

Ezedi and the mother were in a relationship, a relative of the suspect has told Sky News.

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