The players and their coaches left the Ahmadu Bello Stadium in Kaduna on Sunday morning.
On Tuesday, NEMA received another batch of 148 stranded Nigerians from Niamey in Niger Republic.
The coordinator said the returnees comprised 34 males, 18 females and 52 children who hailed from Kano, Katsina, Borno, Akwa Ibom and Yobe.
According to the minister, the convention aims to promote cross-border cooperation at local, sub-regional and regional levels.
The UNECA training is being held in collaboration with the Government of Niger and UN-WOMEN.
FG advised Nigerians against travelling to seek greener pastures in other countries, claiming no country is better than their homeland.
The amount of funding required for the emergency response in the Basin has risen from $259 million in 2018 to an estimated $1.8 billion.
The returnees comprised 144 males, 56 females and 66 children.
This hostile behaviour is despite Mr Buhari’s efforts to strengthen relations with the Niger Republic, which have earned him criticism among Nigerians.
President Muhammadu Buhari, in the course of the week, won the hearts of African leaders in Niamey, Niger Republic, who shared glowing testimonies of his leadership qualities.
