Elizabeth Price said that that the Manchester fire had made a 'significant impression' on her as a child.
She had seen the story on the news - and that memory had stayed with her.
More top news
Scotland Yard recorded 1,235 Islamophobic attacks in the last 12 months, compared with 811 in 2015.
Officers say the child, aged two, was targeted in the Lewisham Shopping Centre.
New figures show London Fire Brigade received 6,820 malicious hoax calls last year, almost twenty a day.