(Nigeria) A 28 year old man, Mr Yusuf Salihu has been killed by another man over an alleged misunderstanding over a girlfriend in Nasarawa State. Meanwhile, the police in Nasarawa State on Saturday confirmed the killing of Salihu, 28, by another man in an apparent tussle over a girl friend in Akwanga Local Government Area of the state. Ismaila Umar-Noman, the state Police Public Relations Officer, confirmed the incident when he spoke in Lafia. ``We received information on April 22, that some youths in Akwanga mobilised themselves with cutlasses, knives, among others, to revenge the death of Mr Yusuf Salihu who was allegedly stabbed to death by Mr Alias Sadam on misunderstanding over a girlfriend. ``We quickly sent our officers to the area to investigate what was happening and on reaching there, our men discovered that one Mr Yusuf Salihu was stabbed at his back with a knife by one Mr Alias Sadam and he died on the spot. ``The police have already commenced investigation in to th