The border point had been closed after Israel invaded the southern city of Rafah in May but is opening again as part of the cease-fire agreement between Israel and Hamas.

A group of 50 sick and wounded Palestinian children began crossing through Gaza’s Rafah crossing into Egypt on Saturday for treatment in the first opening of the border since Israel captured it nearly

It is believed that at least two of the six American hostages still held in Gaza are alive — Sagui Dekel-Chen, 35, who grew up in Bloomfield, Connecticut, and Edan Alexander, 19, from Tenafly, New Jersey. Four other Americans are believed to have been killed in captivity.

NBC News' Yasmin Vossoughian reports on how the family of American Israeli Keith Siegel family reacted after Hamas released him after 484 days in captivity and about the status of hostage Yarden Bibas' wife and children.

Israeli hostage Keith Siegel was released by Hamas and able to reunite with his family. A group of 50 sick and wounded Palestinian children began entering Egypt for treatment through Gaza’s Rafah crossing on Saturday,