What is actually Palestinian Islamic Jihad?

.ON THE EVENING of Oct 17th a burst struck al-Ahli hospital in Gaza Area. Hundreds of private citizens had actually been actually shielding certainly there, along with the sick. Palestinian representatives say that hundreds perished.

Hamas, the militant team that runs Gaza, as well as a number of Arab nations criticized Israel. Israel’s multitude, mentioning drone video footage as proof, pointed out that the explosion was caused by a malfunctioning rocket fired through Palestinian Islamic Jihad (PIJ), an additional militant team. PIJ, which functions in the West Banking Company and also Gaza, refuted the allegation.

On October 18th, on a see to Israel, Head of state Joe Biden also pointed the finger at “the various other team”, backing up Israel’s account. What is actually PIJ and what risk performs it pose within this disagreement?