Bike-borne gunmen killed ten people and abducted two women in Katsina state of Nigeria.<br />''<br />''The killers rode into the village and started shooting and torching vehicles and properties. Police officials said that they tried to chase the gunmen but in vain. <br />''<br />''Katsina state, about 350 kilometres north of Nigeria's capital Abujua, has seen a string of violent attacks in recent months.<br />''<br />''The gangs have no ideological agenda. They carry out regular raids in the villages for dacoity, kidnapping for ransom and stealing food and cattle. <br />''<br />''<br />''Rural communities have formed self-defence militia forces for protection, given the lack of security personnel in the remote areas.<br />''<br />