by Panshak Ibrahim

According to the Chadian military, army vehicles full of soldiers crossed the border into northeast Nigeria, on Monday, March 9.

Brigadier General Zakaria Ngobongue of Chad, revealed to AFP that his soldiers, alongside troops from Niger, had entered Nigeria.

He, however, declined to give details about the ongoing operation.

Meanwhile, witnesses in the Niger town of Bosso reported that about 200 military vehicles crossing over into Nigeria.

A resident, Adam Boukarna, said loud detonations was heard shortly after the deployment of soldiers.

BREAKING: Resident says 200 military vehicles with Niger, Chad soldiers entering Nigeria to fight Boko Haram

— The Associated Press (@AP) March 9, 2015

MORE: Niger resident says detonations were heard after military vehicles from Chad, Niger crossed into Nigeria: http://t.co/1C78AKQndL

— The Associated Press (@AP) March 9, 2015

BREAKING: Chadian general says Chad, Niger forces have gone into northeast Nigeria to attack Boko Haram

— The Associated Press (@AP) March 9, 2015

MORE: Chadian general confirms that Chad, Niger forces have entered Nigeria to attack Boko Haram: http://t.co/aXt6w91A6T

— The Associated Press (@AP) March 9, 2015