Recording was released earlier today after Boko Haram 's 's original request . It was entitled 'kill and be killed ' and now extends its reach to west Africa . Message encouraged fighters to travel to Nigeria if Middle East is too far . Boko Haram 's killed over 10,000 in bombings and raids in country last year . The militants promised to 'obey [ ISIS ] in times of difficulty and prosperity ' ISIS controls parts of Syria and Iraq and have support in the Middle East .
Recording was released earlier today after Boko Haram 's original request . It was entitled 'kill and be killed ' and now extends its reach to west Africa . Message encouraged fighters to travel to Nigeria if Middle East is too far . Boko Haram killed over 10,000 in bombings and raids in country last year . The militants promised to 'obey [ ISIS ] in times of difficulty and prosperity ' ISIS controls parts of Syria and Iraq and have support in the Middle East .