The incident happened at around 6.30pm on Thursday 6 September in Noel Street, Hyson Green.
A man aged between 30 and 35-years-old approached the boy and his mother.
Nottinghamshire Police have released a CCTV image of a man they want to speak to in connection with the incident.
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Ambrose Parsons is said to have left the QE Hospital earlier today (Saturday 17 February) still wearing a green hospital gown.
Staying largely dry with clear spells, leading to frost for some.
There may be a few spots of rain during the evening, however it will be largely dry overnight with clear spells.