The group is carrying supplies for Gazan Palestinians and protesting what they say is “Israel’s “illegal, decades-long blockade, and ongoing genocide” in the enclave.

Former U.S. Ambassador to Israel Michael Oren joins "Elizabeth Vargas Reports" to discuss Greta Thunberg's attempts to sail to Gaza and Israel's response that it will block her from reaching the embattled area.

An aid ship with 12 activists on board, including Swedish climate campaigner Greta Thunberg, is nearing Gaza, having reached the Egyptian coast, organisers