Gunmen from the Boko Haram terrorist organization killed 12 soldiers Wednesday in a pre-dawn raid on a military base in southeastern Niger’s Diffa region, local media reported.

According to the UN, Diffa is home to 120,000 refugees from Nigeria who fled from Boko Haram violence and 110,000 internally displaced people from various parts of Niger.

Read more: Boko Haram gunmen kill 12 Niger soldiers