Police say that a woman, who's believed to have given a bottle of bleach to a baby in Eltham, was wearing black trousers, black trainers, a long multi coloured top, a black jacket with white chevron type markings and was carrying maroon bag.
She has also been described as "a heavily built white female in her 50s with grey hair".
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The 23-year-old, who won best song at the Mobo awards last year, was sentenced to eight months.
The tenants were forced into 'sleeping shifts' as night workers would swap with those who had daytime hours at the Wembley property.
The incident comes just days after four fans were suspended for abusing Manchester City's Raheem Sterling.