Nigeria 'exploring options' to rescue missing schoolgirls

The search for over 200 schoolgirls abducted by Boko Haram Islamists continues in Nigeria, after Abuja dismissed a prisoner-swap offer from the militants.

The search for over 200 schoolgirls abducted by Boko Haram Islamists continues in Nigeria, after Abuja dismissed a prisoner-swap offer from the militants.