Militants in northeastern Mali have killed 53 soldiers and one civilian in an attack on a military post, the government said.
This makes it one of the deadliest attacks of the last decade.
In a Tweet The army described it as a "terrorist attack".
Mali has been violent since 201
The violence has also spread to other countries in the region.
- Why the Sahara is the new frontline of terror.
Reinforcement sent to the post After the attack on Friday found 10 survivors and "significant material damage," said government spokesman Yaya Sangare.
No group claimed it was behind the Indelimane attack in the Menaka area.
When two military camps died, thirty-eight soldiers were attacked near the border with Burkina Faso in late September.
Mali, along with Burkina Faso, Chad, Niger and Mauritania, is part of a French-supported counterinsurgency unit known as the G5 Sahel.
The Five Nations group blamed "suspected members of Ansarul Islam" for the attack in September.
Ansarul Islam, meaning "Defender of Islam", was launched in 2016 by the radical and popular preacher Ibrahim Malam Dicko. He reportedly fought militant Islamists in northern Mali in 2012.