The ministry is in constant contact with all relevant factors that can facilitate a positive outcome of the case of the abducted Croatian and Montenegrin nationals.
The ministry reiterated that it could not reveal any more details in order not to undermine the ongoing activities aimed at obtaining the release of the abducted men.
Hydrodive is cooperating with Nigerian authorities to secure the safe release of the three hostages, the company for which the three men are working said in an e-mail to Hina on Tuesday.
Foreigners working for multinational companies in Nigeria, the world's sixth biggest producer of crude oil, are often targets of assaults and abductions by armed groups trying to obtain funds through ransom and score political points by such activities.