A neighbor is escorted to safety as police surround a home while searching for a suspect in the Boston Marathon bombings in Watertown, Mass.
Oprah Winfrey inducts Quincy Jones into the Rock and Roll Hall of Fame during the Rock and Roll Hall of Fame Induction Ceremony at the Nokia Theatre on Thursday, April 18, 2013 in Los Angeles.
Diana Laura Bulimar of Romania performs on the vault at the women's All-Around Final of the Artistic Gymnastics European Championships in Moscow, Russia.
Egyptian protesters clash near a bus belonging to Muslim Brotherhood supporters after it was reportedly set alight by anti-government protesters in Cairo, Egypt.
Rogelio V. Solis/AP
Federal agents wearing hazardous material suits inspect the trash can outside of the home of Paul Kevin Curtis in Corinth, Miss. Curtis is suspected to have sent letters covered in ricin to the President Barack Obama and Sen. Roger Wicker.
Pete Souza/The White House
President Barack Obama meets with members of his national security team to discuss developments in the Boston bombings investigation in the White House.
Ross D. Franklin/AP
Rebecca Wininger comforts Jennifer Longdon, a paralyzed shooting victim, as they meet near protest signs and memorial balloons representing shooting victims in recent mass shootings around the nation in Phoenix.
Eric, a new born giraffe, stands in front of his mother Lotti at the Tierpark zoo in Berlin.
A makeshift memorial sits near the finish line of the Boston Marathon.