Colin Sheridan: Detained Palestinian doctor Hussam Abu Safiya must be charged or released

Colin Sheridan argues the detained Gaza hospital director's case tests the credibility of human rights and medical neutrality principles

Dr Hussam Abu Safiya: One of the most recognisable medical figures to have emerged from Gaza’s destroyed health system.

Dr Hussam Abu Safiya has been held captive by Israel for 561 days.

There are many ways to describe him.