Tunisian Parliament Calls Day of Solidarity After Deadly Attack

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.

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

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

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.

Bystanders watch as policemen guard the Bardo museum, in Tunis, Tunisia, March 19, 2015.

Tunisians holding candles pray at the entrance gate of the National Bardo Museum where scores of people were killed after gunmen staged an attack, Tunis, March 18, 2015.