Childhood friend asks for help to solve mystery death of 'caring and loving' motherVenezuela's barred opposition candidate is now the fiery surrogate of her lesserGeorgia Republican files for divorce from glamorous oncologist after seven childrenGlobal obesity deaths rise by 50 percent since 2000, major report showsLabour accused of setting 'unrealistic' shortKim's sister denies North Korea has supplied weapons to RussiaMan kills 2 officers at police station in Malaysia in a suspected Jemaah Islamiyah attackNHS trust made 'number of failures' in treatment of sixChina rolls out new measures to fix its property crisis, spur growthTeenagers to be recruited to drive trains as government looks to ease rail staffing shortage