12 PM ET: US hostages in Gaza, Trump fraud trial witness, blood donation plea & more

We're learning more about how Hamas reportedly kept its deadly surprise attack secret, while both sides ramp up airstrikes. The families of US hostages in Gaza are calling on the White House to help. Congress is still paralyzed with no clear front runner in the race for House Speaker. A high profile witness has taken the stand in former President Donald Trump's fraud trial. Plus, how schools could help with a blood shortage.

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