Many soldiers from Colombia are now fighting in Sudan. They help a group called the RSF. These soldiers may have helped the RSF attack a city. This news makes people worry.
The US government put rules on people helping this fight. Two men from Colombia are accused of finding these soldiers. They found old soldiers with fighting experience.
The RSF attacked the city of El Fasher. These foreign fighters might have helped them. The attack on El Fasher was very bad.
A company in the UK is linked to this. It seems to have helped the fighters go to Sudan. This company moved its office after the US rules.
The RSF is accused of bad things. They may use foreign fighters to help them. This makes the fighting in Sudan worse. It is bad for the people living there.