.ON THE EVENING of Oct 17th a blast struck al-Ahli medical facility in Gaza Urban area. 1000s of private citizens had actually been safeguarding certainly there, together with the sick. Palestinian representatives state that hundreds perished. Hamas, the militant group that operates Gaza, and a number of Arab countries condemned Israel. Israel's crowd, mentioning drone video footage as evidence, pointed out that the surge was actually dued to a malfunctioning spacecraft discharged by Palestinian Islamic Jihad (PIJ), an additional militant group. PIJ, which runs in the West Financial Institution and also Gaza, refuted the allegation. On Oct 18th, on a browse through to Israel, Head of state Joe Biden also blamed "the various other group", backing up Israel's account. What is PIJ and what danger does it pose in this disagreement?