Photos of the day: Friday, Feb. 18

  • The city landmark, weathercock in the form of a ship fixed atop a spire of the Admiralty building is silhouetted on the rising full moon in St. Petersburg, Russia, Friday. DMITRY LOVETSKY/AP

  • Fireworks are seen over Tahrir Square in Cairo, Egypt, Friday. Some thousands of flag-waving Egyptians packed into Tahrir Square for a day of prayer and celebration Friday to mark the fall of longtime leader Hosni Mubarak a week ago and to maintain pressure on the new military rulers to steer the country toward democratic reforms. AMR NABIL/AP

  • Thai Buddhist monks offer prayers celebrating Magha Puja day February 18, 2011 in Bangkok, Thailand. Maha Puja day is an important religious festival celebrated in Thailand, Cambodia, and Laos during the full moon of the third lunar month. Buddhists usually go to the temples to perform merit-making activities during the public holiday. PAULA BRONSTEIN /GETTY IMAGES

  • Kashmiri Muslim devotees pray as a head priest, unseen, displays a relic of Islam's Prophet Muhammad at the Hazratbal shrine on the Friday following Eid Milad-un Nabi, marking the birth anniversary of the Prophet, in Srinagar, India, Friday. Thousands of Kashmiri Muslims gathered at the Hazratbal shrine, which houses a relic believed to be a hair from the beard of the Prophet. MUKHTAR KHAN/AP

  • Demonstrators march to protest rising food prices in La Paz, Bolivia, Friday. JUAN KARITA/AP

  • Yemeni anti-government demonstrators react during a demonstration demanding the resignation of President Ali Abdullah Saleh in Sanaa, Yemen, Friday. Anti-government demonstrators clashed with supporters of Yemen's longtime ruler and riot police, who fired tear gas and shots in the air to disperse the crowd on what organizers called a "Friday of Rage" across the country. In the city of Taiz, what appeared to be a hand grenade was thrown at a group of protesters, seriously wounding at least eight people in the blast and stampede that followed, witnesses said. placard on left reads in arabic, " The people want to break the system". MUHAMMED MUHEISEN/AP

  • A Palestinian protester throws back a tear gas canister to Israeli troops, not seen, during the weekly demonstration against Israel's separation barrier in the West Bank village of Bilin near Ramallah, Friday. BERNAT ARMANGUE/AP

  • U.S. Army medevec helicopter goes down to land to rescue injured German soldiers at the ISAF base in Pul-e Khumri, south of Kunduz, Afghanistan, Friday, Feb. 18, 2011. At least two German soldiers died and seven got severely injured when an Afghan National Army soldier open up fire when the German soldiers arrived back to the base in Pul-e Khumri. ANIA NIEDRINGHAUS/AP

  • Attendee at London Fashion Week Autumn/Winter 2011 on Fridaym in London, England. GARETH CATTERMOLE/GETTY IMAGES

  • Models walk the runway during the Corrie Nielsen FR Show at London Fashion Week Autumn/Winter 2011 at Somerset House on Friday, in London, England. GARETH CATTERMOLE/GETTY IMAGES