There is a big war in Sudan. Two big army groups are fighting. They are not stopping.
Many, many people have problems. They have no home. They have no food. Many people are dead. The fighting is now worse. They attack schools and hospitals. In one town, they attack a children's school. Many children die.
Other countries try to help. They want the fighting to stop. But it is not working. The two army groups do not listen.
Now, more than 14 million people have no home. They need help. The United Nations says this is the biggest problem in the world right now.