Family members of passengers abducted during the recent attack on an Abuja-Kaduna train say the kidnappers have refused to negotiate with them.
Several passengers were killed, some injured and many abducted when gunmen attacked the train on March 28.
On April 11, families of the abductees had given the federal government a 72-hour ultimatum to secure the release of their relatives.
Speaking on Thursday at a briefing involving officials of the National Human Rights Commission (NHRC) in Abuja, Aliyu Mahmood, spokesperson for the families, said further attempts to reach the kidnappers have proved abortive because the attackers insist on talking to the government only.