At a boarding school in a suburb near the Liberian capital of Monrovia, at least 23 children were killed in a fire.
It is believed that the fire broke out in the early morning The students slept in a building that was attached to a mosque.
The police have informed the BBC that they are still looking for bodies in the building in Paynesville.
President George Weah has expressed condolences to the bereaved.
The president's spokesman said that Mr. Weah later attended the funerals will participate Wednesday.
Police spokesman Moses Carter told Reuters news agency that a fire was caused by an electrical problem, but investigations continue to come to the rescue.
"When I turned to look, the whole place was red, and when I looked through the window, I saw the whole place go up in flames," he told the BBC.
But he said he could not enter the building because there was only one sealed entrance.
Officials told the AFP news agency that the victims were between 10 and 20 years old.
Our correspondent Jonathan Paye-Layleh reports that Red ambulances have already removed bodies from the scene.
Large crowds gathered near the school after the disaster, and people complained and wept as the ambulances tried to get through.