At least 22 Nigerien soldiers were killed Thursday in an attack on a refugee camp in the country's western region of Tassara.

A source told Xinhua that unknown gunmen attacked Nigerien soldiers who were guarding the camp housing Malian refugees, and killed at least 22 soldiers.

There is no official comment on the attack, but according to the source, the Nigerien military has launched an operation to hunt for the attackers. 

Source : XINHUA