Tunisia's parliament called for a day of solidarity after gunmen opened fire at one of the capital's top tourism sites, killing 23 people and wounding more than 40 others.
Tunisian Parliament Calls Day of Solidarity After Deadly Attack

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Police officers guard the entrance of the National Bardo Museum a day after gunmen opened fire killing scores of people in Tunis, March 19, 2015.

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Police officers leave the Bardo museum a day after gunmen opened fire killing over 20 people, mainly tourists, in Tunis, Tunisia, March 19, 2015.

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Tunisian police officers stand guard at the Charles Nicolle hospital while personnel pass by, in Tunis Tunisia, March 19, 2015.

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A policeman guards the blood-stained entrance of the Bardo museum, a day after gunmen opened fire killing over 20 people, mainly tourists, in Tunis, Tunisia, March 19, 2015.