Via UN International Residual Mechanism for Criminal Tribunals
Article 4(2)(c) of the Statute provides that genocide can be committed by “deliberately inflicting on the group conditions of life calculated to bring about its physical destruction in whole or in part”.[1]
When you blow up a cancer hospital, you're the baddies, now.
Literally ignore them. They are no more than tourists. No official interactions. No preferential treatment.