A Ukrainian army officer being held in prison in Moscow is vowing to continue a hunger strike in protest at her detention.<br /><br /> Pilot Nadia Savchenko was seized by pro-Russian separatists in June while fighting with government militia in Luhansk, which is now under rebel control.<br /><br /> The 33-year-old, who is also an MP in the Ukrainian parliament, is facing multiple charges, including entering Russia illegally.<br /><br /> Savchenko has now been on a hunger strike for more than 50 days and there are serious concerns about her health.<br /><br /> She was transferred from one prison to another, amid reports of severe weight loss. <br /><br /> Vera Savchenko, the pilot’s sister, told reporters: “Her main vital signs are normal: sugar, body temperature and blood pressure.<br /><br /> “But her fighting spirit is at the same level it used to be, nothing has changed there.”<br /><br /> The pilot is also accused of being involved in the deaths of two Russian journalists who were covering the fighting near Luhansk.<br /><br /> Savchenko denies she helped coor
