Families gather at a shelter in the Baba Amr neighborhood of Homs province in central Syria to hide from shelling by the Syrian government. As Syrian forces have stepped up their assault on rebellious cities, President Bashar Assad ordered a referendum on a new constitution that would create a multiparty system in a country that has been ruled by his autocratic family dynasty for 40 years. (Associated Press)

Families gather at a shelter in the Baba Amr neighborhood of Homs province in central Syria to hide from shelling by the Syrian government. As Syrian forces have stepped up their assault on rebellious cities, President Bashar Assad ordered a referendum on a new constitution that would create a multiparty system in a country that has been ruled by his autocratic family dynasty for 40 years. (Associated Press)