In this Arabic YouTube video from an Al Jazeera report on the fighting in Libya, rebel fighters listen to al-Qaida songs and indicate that religious fervor is motivating their battle against the regime of Col. Moammar Gadhafi.
U.S. Secretary of State Hillary Clinton, speaking during a press briefing in London after a meeting with allies on future actions in Libya, says there is no specific information that al-Qaida is involved in the Libyan opposition.
Khaled Abdullah / Reuters file
Yemen's President Ali Abdullah Saleh.
How safe are U.S. nuclear plants? NBC's Tom Costello reports, wrapping up our msnbc.com report, NRC statements and a watchdog group's report.
Mike Groll / AP
"We are going to check into it ... immediately," said Gov. Andrew Cuomo of New York.
Mike Segar / Reuters
Indian Point Energy Center sits on the east bank of the Hudson River, 24 miles from New York City. It provides up to one-third of the electricity for the city and suburban Westchester County.
Kim Kyung-Hoon / Reuters
An official in protective gear scans for signs of radiation on a man from the evacuation area near the Fukushima Daiichi nuclear plant in Koriyama, Japan, on Saturday.
NBC's Lester Holt speaks with nuclear energy expert Joe Cirincione.
GE via NRC
GE's Mark I containment system.