NEW : Militants kill six coal miners and a doctor in Baluchistan province . The Taliban claims responsibility for an attack on prison guards in Lahore . - Pakistan says it has arrested two militants who were planning to carry out attacks against the country's nuclear power plants.
NEW : Militants kill six coal miners and a doctor in Baluchistan province . The Taliban claims responsibility for an attack on prison guards in Lahore . The guards were in the city on training .