This is the best summary I could come up with:

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The WhatsApp voice note, sent from the city of Deir al-Balah, provides one of few insights available into what is happening in Gaza - and how civilians are coping since Israel intensified air strikes and expanded its ground operations on Friday night.

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In the last communication we had with a professor in Gaza on Friday, he told us he was too scared to follow Israeli evacuation orders and move south, in case his family were caught in a strike on the journey.

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But a small number of people in Gaza have foreign SIM cards that can pick up Israeli or Egyptian masts - and the BBC has been able to establish limited contact with several of them.

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"We didn't expect that we would see morning," he said, adding that heavy bombing had hit "streets, governmental buildings, open fields, the beach".

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In a separate video posted on Instagram, a badly wounded man is rushed out of a building as crowds shout desperately for an ambulance.

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"Ambulances and civil defence teams are no longer able to locate the injured, or the thousands of people estimated to be still under the rubble," UN High Commissioner for Human Rights Volker Türk said.

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