Since the ceasefire ended in Gaza on March 18th, 322 children have been killed by Israeli missiles, according to the United Nations - another 609 have been injured. Dr Tanya Haj-Hassan, a Canadian paediatric doctor, returned to Gaza for a second stint on what’s left of its wards in February. Based at Nasser hospital, one of a handful still functioning, she was there as the bombs began to fall again. In between the harrowing shifts alongside her Palestinian colleagues she recorded a video diary on her phone. Gaza doctors