This car was among many vehicles destroyed by bombs Tuesday in Beirut. Nearby buildings suffered extensive damage. More than 20 people, including an Iran diplomat, were killed by the explosions near Iran's embassy. Nabil Mounzer/EPA/LANDOV hide caption
Syrian refugees stand in line for food at Kawergost refugee camp in Irbil, Iraq, on Aug. 21. The Syrian civil war has already sparked a refugee crisis in the region. Now, many countries are waiting to see the effects of a possible U.S. military strike. Hadi Mizban/AP hide caption
A Syrian soldier walks through the hotly contested city of Qusair on May 22. The Syrian army, backed by Lebanon's Hezbollah militia, has been waging a fierce fight with rebels in the key western city for the past two weeks. STR/STR/AFP/Getty Images hide caption
Um Ahmed, her husband, Abu Ahmed, and their two children sit inside a United Nations refugee registration center in Tripoli, Lebanon. They fled the northern Syrian city of Aleppo a month ago. "There was a lot of shelling," said Um Ahmed. "I wasn't thinking. I was just thinking of my children." Nicole Beemsterboer/NPR hide caption
Lebanese firefighters extinguish burning cars in Beirut following a huge bomb explosion. Hussein Malla/AP hide caption
Hezbollah members listen to a speech by the group's leader, Â Hassan Nasrallah, via video-link in the southern suburbs of Beirut on Nov. 11, 2011. Anwar Amro/AFP/Getty Images hide caption