.ON THE EVENING of Oct 17th a burst hit al-Ahli medical center in Gaza City. 1000s of civilians had been sheltering certainly there, along with the ill. Palestinian officials mention that hundreds died. Hamas, the militant team that runs Gaza, and also many Arab nations condemned Israel. Israel's legion, presenting drone video footage as evidence, pointed out that the explosion was triggered by a malfunctioning rocket fired through Palestinian Islamic Jihad (PIJ), another militant team. PIJ, which runs in the West Financial Institution as well as Gaza, rejected the claims. On Oct 18th, on a check out to Israel, Head of state Joe Biden likewise criticized "the other staff", backing up Israel's account. What is actually PIJ and what risk does it pose within this disagreement?