A humanitarian crisis is unfolding in Gaza, with more than a million citizens warned by Israel to move to the south of the territory ahead of a major campaign against Hamas in the north.

As more civilians die in air strikes on Gaza, are we at a tipping point where sentiment turns against Israel, and what will an escalation of the war look like? 

Today, we take you to Gaza and speak to resident and Oxfam worker Najla Shawa, and to Israel’s south where our global affairs editor John Lyons is witnessing a massive build up of soldiers.

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Najla Shawa, Gaza resident

John Lyons, ABC Global Affairs Editor