Israeli tank shellfire killed at least 51 Palestinians as they awaited aid in Khan Younis in the Gaza Strip, the territory's health ministry said.

Israeli tanks fired into a crowd trying to get aid from trucks in the Gaza Strip on Monday, killing at least 51 people, according to medics, in one of the bloodiest incidents yet in mounting violence as desperate residents struggle for food.

A fatal incident involving Israeli tank fire has claimed dozens of lives in Gaza. Here's a breakdown of what happened and what it means for the ongoing conflict.