They came across a little boy who had terrible injuries all over his head. The boy said that his mother beat him with a hammer. One of the adults asked him if the mother also used a knife (because the injuries were really terrible).
Here's a video of the boy and his injuries.
https://www.youtube.com/watch?v=Rhjsjj_CMjw
A Twitter user called Jenny Slim raised an alarm about the boy's situation.
https://twitter.com/JennySlimm/status/1202269584411238403
Another Twitter user alerted Governor Nasir El-Rufai about the situation.
The Kaduna State Ministry of Human Services and Social Development swung into action and rescued the boy.