According to the NHK News article, a two-story building in Utsumiō (宇都宮) caught fire, resulting in serious injuries to a 0-year-old child and their mother. The condition of both individuals is currently unknown.

Here's a summary of the article:

* A fire broke out at a two-story building in Utsumiō, Tochigi Prefecture.
* A 0-year-old child and their mother were trapped inside the building and suffered severe injuries.
* The current condition of the child and mother is unknown as they are still receiving medical treatment.

Source: NHK News (https://www3.nhk.or.jp/news/html/20240910/k10014577661000.html)