Nigerian President Muhammadu Buhari on Wednesday condemned the abduction of schoolboys from a school in central Nigeria and ordered a rescue operation, his office said. "The President has directed the Armed Forces and Police, to ensure immediate and safe return of all the captives," presidential spokesman Garba Shehu said in a statement. The statement said the number of students and staff abducted from the school in Kagara, Niger state, was still unknown. lhd/pma/ri