A cashier uses a calculator in candlelight at a supermarket as a blackout continues since a strong aftershock in Tome, Japan, on April 8. The aftershock ripped through northeastern Japan, killing two people, knocking out power to vast areas, and piling misery on a region still buried under the rubble of last month's devastating tsunami. Yomiuri Shimbun, Hiroshi Adachi/AP
Hotel guests check their mobile phones for earthquake news after they evacuated the building following a 7.1 earthquake, in Ichinoseki, Iwate Prefecture, Japan, on April 8. Japan was rattled by a strong aftershock and tsunami warning Thursday night nearly a month after a devastating earthquake and tsunami flattened the northeastern coast. Lee Jin-man/AP
Money traders work under a screen indicating an exchange rate for the US dollar to Japanese yen at a foreign exchanges firm in Tokyo on April 8. The dollar is trading at 85 yen following the 7.1-magnitude earthquake that shook northeastern Japan. Itsuo Inouye/AP
A building collapsed in Kurihara, Miyagi Prefecture, Japan, on April 8, following the 7.1-magnitude earthquake that shook northeastern Japan. Yomiuri Shimbun/Koichi Nakamura/AP
The window of a car dealership lies shattered following a 7.1-magnitude earthquake, in Sendai city, Miyagi Prefecture, on April 8. Jiji Press/AFP/Newscom
Documents and office furniture lies scattered across an office following an earthquake, in Sendai city, Miyagi Prefecture, on April 8. Jiji Press/AFP/Newscom
Dish and shelves scatter at a restaurant in Kurihara, Miyagi Prefecture, northeastern Japan, on April 8, following a big aftershock that rocked earthquake-weary Japan. Yomiuri Shimbun/Manabu Kato/AP
Workers repair the roof of a house in Oshu, Iwate Prefecture, on April 8, after a 7.1-magnitude earthquake. Toru Hanai/Reuters
Traffic jams are seen as the traffic lights malfunctioned due to a blackout following a big aftershock in Sendai, northern Japan, on April 8. Yomiuri Shimbun/Yasushi Kanno/AP
A woman pedals a bicycle through water in Ishinomaki city, Miyagi Prefecture, on April 8. A powerful aftershock that rocked an area of Japan still reeling from last month's earthquake and tsunami disaster killed two people and injured around 100, emergency services said. Jiji/AFP/Newscom
Health officials in Sierra Leone have called the three-day lockdown a 'huge success' but have requested more time to identify potential patients.
ByUmaru Fofana, Reuters
A three-day lockdown in Sierra Leone aimed at stemming the worst Ebola epidemic on record has identified dozens of new infections, but has not reached everyone in the country and is likely to be extended, a senior official said on Sunday.