Two British health workers who sneaked into Islamic State territory carried out ‘Nazi-style’ medical experiments on prisoners, Syrian witnesses claim. Issam Abuanza, 40, a former NHS doctor who left behind his wife and two children in Sheffield when he travelled to Syria in 2014, was appointed the terror group’s ‘health minister’, the British Government believes. Abuanza, now thought to be hiding in caves near the village of Baghouz, carried out such brutal torture on his victims that even IS fighters opposed it. He appointed Mohammad Anwar Miah, also 40, a former pharmacist from Birmingham, who helped him remove organs from...