International Committee of the Red Cross

In a statement, the army said it had "returned security to Aleppo" and called it a "crushing blow" for rebels.

The International Committee of the Red Cross (ICRC) confirmed "all civilians who wished to be evacuated have been, as well as the wounded and fighters".

This is the biggest victory for President Bashar al-Assad since the uprising against him began in 2011.

At least 34,000 civilians and rebel fighters have been removed from eastern Aleppo over the past week, a UN official said earlier.

ICRC representative on Bougainville Fadi Fara told Loop PNG in a recent meeting regarding missing persons.

“It is one of our sole duties and roles to support victims of armed conflict and more importantly, right now to help find missing persons,” Fara said.

“Right now we do not have any factual data for missing persons and how many were killed in the Bougainville crisis, but we’re inclined and prepared to play an advisory role to the authorities and actors regarding missing persons.