US imposes new sanctions on Cuban president and Castro family members

US secretary of state Marco Rubio says anyone providing services to listed entities is at risk of sanctions themselvesThe United States has announced fresh economic sanctions on Cubas president and some of his immediate family, alongside members of the Castro family, in Washingtons latest ramping up of pressure on its communist-led neighbour.Among those targeted were the son and a grandson of former president Raúl Castro, who no longer holds an official position but remains a key figure on deci...