The kidnappers have not been captured but police are on their trail, the command's spokesman said.
Abimbola Oyeyemi, spokesman for the Ogun police, said the two were working for a quarry company in the state, which is just north of the commercial capital of Lagos, when they were taken by unidentified gunman on September 1.
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"None of them was hurt and no ransom was paid," Oyeyemi said of the recovery operation. The kidnappers had not been captured but police were on their trail, he said.