Protesters in Sanna
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Yemen unrest: 'Panic and chaos' in Sanaa

At least 17 people have been killed in a government assault on protesters in the Yemeni capital, Sanaa, reports say.

Witnesses said the demonstrators came under attack in Sanaa's Change Square - the focus of months of protests.

New York Times journalist Laura Kasinof is in Sanaa and told the BBC that protesters spoke of "panic and choas" during the attack.

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