Girls shout slogans during a rally demanding the ouster of Yemen's President Ali Abdullah Saleh in Sanaa March 18, 2011. Yemeni President Ali Abdullah Saleh declared on Friday a 30-day nationwide state of emergency as the death toll for clashes in the capital Sanaa on Friday rose to at least 45 and around 617 others injured, state media and the protest's organizers said. [Xinhua/Reuters]