Fire damaged materials produce toxic gases that make the indoor environment completely unsuitable for dwelling.
Once the fire has been extinguished, and all inhabitants are safe, call for professional help to thoroughly clean and restore the damaged area(s).
You must immediately relocate until cleaning and restoration services have been completed.
All surfaces, fixtures, and contents must be thoroughly cleaned or replaced without exception.
Aside from the obvious damage, this is a very serious situation where professional help is required.