SINGAPORE, Nov. 4 -- An 11-year-old boy who attended a Halloween party was allegedly punched in the face about 20 times by another child, leaving him with a concussion and a bruised nose.

The child's mother Calista, who goes by wanderwithcali on Instagram, posted a video about the incident on Monday (Nov 2), narrating how her child had been physically assaulted by a boy, believed to be around the same age.

In her video, she mentions that her son was invited to a Halloween party by one of his schoolmates.

As Calista was caring for her infant at home, she booked her son a taxi to the party on his own, explaining that he had been to many parties on his own.

"At that time, this felt like a completely normal parenting decision. I mean he's...