Nigerian police on Wednesday offered a reward of 50 million naira ($300,000, 215,000 euros) for information leading to the rescue of the 223 girls being held hostage by Boko Haram Islamists. "The Nigeria Police hereby announce a cash reward of 50 million naira to anyone who volunteers credible information that will lead to the location and rescue of the female students abducted from Government Girls Secondary School, Chibok, Borno State," a statement said, referring to the April 14 mass abduction claimed by the Islamist extremists.