Because they are the UN soldiers in Goma, congo.

In Eritrea it was the irish...

Moroccans in Congo too...http://news.bbc.co.uk/2/hi/africa/4262743.stm

Bangladeshis in Sudan
http://news.bbc.co.uk/2/hi/africa/6233527.stm

Nepalis in Congo
http://news.bbc.co.uk/2/hi/in_depth/7420798.stm

Sri Lankans in the Ivory Coast
http://news.bbc.co.uk/2/hi/south_asia/7076284.stm

this has also been reported in Liberia, Haiti, Bosnia... the list goes on....