Rafah crossing is located at the southern tip of Gaza on the border with Egypt
It is the only entry and exit point of Gaza that is not controlled by Israel. Egypt controls the border crossing
The Rafah crossing was reportedly shut after it was hit by Israeli air strikes
Thousands of Palestinians have gathered at border point waiting for it to open so that they can escape from Israel's offensive
It is also the only way stranded foreign nationals can leave Gaza
Rafah is the only crossing point for humanitarian aid to reach Gaza