Angry residents of Yantumaki, Katsina state, on Tuesday staged a protest over the increased spate of killings and kidnapping in the state.    The residents set fire on an APC billboard of President Buhari and the state governor Aminu Masari with the inscription ”The faces of fairness and champions of the masses.”      The angry residents also blocked the Kankara-Kastian road with tyres. Hundreds of motorists had to abandon the route to access Katsina town or Gusau in Zamfara State for ‎safety.   The protest …