<span style="color: #222222;">Gunmen in Nigeria are reported to have abducted an unknown number of passengers from a train in the northern Kaduna state.<br />''<br />''The gang mined the track between the capital, Abuja, and Kaduna city and forced the evening train to a halt. Many of the nearly 1,000 passengers on board took shelter as shots were fired.<br />''<br />''This is the second time the railway has been attacked in the last six months.<br />''<br />''Kidnapping for ransom has become commonplace in northern Nigeria and the bandits, as they are known locally, are becoming increasingly rampant. On Saturday they also attacked Kaduna's international airport.</span><br />