Ball of fire rises from a building following an Israeli air strike in Gaza City on August 23
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Gaza residences targeted in Israel air strikes

A 12-storey apartment block in Gaza City has collapsed, following renewed airstrikes by Israel.

Palestinian health officials say at least 22 people were injured in the attack. Israel said Hamas militants were using the building as a command centre.

Israeli Prime Minister Benjamin Netanyahu pledged to step up attacks following the killing of a four-year-old Israeli boy on Friday, in a village near the Gaza border,

Alpa Patel reports.

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