A man salvages furniture from homes damaged by flood waters in Salhaa, Omdurman
A man salvages furniture from homes damaged by flood waters in Salhaa, Omdurman July 30, 2014. Khartoum state declared a high state of alert after heavy rains hit on Wednesday, with donor organisations planning to provide aid to localities affected by floods, local media reported. Picture taken July 30, 2014. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
A woman sits on the ground near houses damaged by flood waters in Salhaa, Omdurman
A woman sits on the ground near houses damaged by flood waters in Salhaa, Omdurman July 31, 2014. Khartoum state declared a high state of alert after heavy rains hit on Wednesday, with donor organisations planning to provide aid to localities affected by floods, local media reported. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
Children salvage their belongings after their homes were damaged by flood waters in Salhaa, Omdurman
Children salvage their belongings after their homes were damaged by flood waters in Salhaa, Omdurman July 31, 2014. Khartoum state declared a high state of alert after heavy rains hit on Wednesday, with donor organisations planning to provide aid to localities affected by floods, local media reported. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
U.S. Secretary of State, John Kerry, announces a 72 hour humanitarian cease fire to start on Friday between Israel and Hamas while in New Delhi
U.S. Secretary of State, John Kerry, announces a 72-hour humanitarian ceasefire between Israel and Hamas, in New Delhi August 1, 2014. Hamas, the dominant militant group in the Gaza Strip, said it would abide by a three-day mutual ceasefire with Israel to begin early on Friday. REUTERS/Lucas Jackson (INDIA - Tags: POLITICS CIVIL UNREST)
U.S. Secretary of State, John Kerry, announces a 72-hour humanitarian ceasefire between Israel and Hamas, in New Delhi
U.S. Secretary of State, John Kerry, announces a 72-hour humanitarian ceasefire between Israel and Hamas, in New Delhi August 1, 2014. Hamas, the dominant militant group in the Gaza Strip, said it would abide by a three-day mutual ceasefire with Israel to begin early on Friday. REUTERS/Lucas Jackson (INDIA - Tags: POLITICS CIVIL UNREST)
Trinidad and Tobago's Prime Minister Persad-Bissessar gestures during a meeting with Pakistani schoolgirl activist Malala at San Fernando Teaching Hospital in San Fernando
Trinidad and Tobago's Prime Minister Kamla Persad-Bissessar (C) gestures during a meeting with Pakistani schoolgirl activist Malala Yousafzai (L) at San Fernando Teaching Hospital in San Fernando July 31, 2014. Seen at right is Trinidad and Tobago's Minister of Tertiary Education Fazal Karim. REUTERS/Andrea De Silva (TRINIDAD AND TOBAGO - Tags: EDUCATION POLITICS HEALTH)
Trinidad and Tobago's Prime Minister Kamla Persad-Bissessar greets Pakistani schoolgirl activist Malala Yousafzai at San Fernando Teaching Hospital, in San Fernando
Trinidad and Tobago's Prime Minister Kamla Persad-Bissessar (R) greets Pakistani schoolgirl activist Malala Yousafzai at San Fernando Teaching Hospital, in San Fernando July 31, 2014. Seen at left is Malala's father Ziauddin Yousafzai, who is also a United Nations Special Advisor on Global Education. REUTERS/Andrea De Silva (TRINIDAD AND TOBAGO - Tags: POLITICS EDUCATION HEALTH)
Nigeria's Minister of Information Labaran Maku speaks during a media briefing about the status of the Ebola disease control in Nigeria at the health minister's office in Abuja
Nigeria's Minister of Information Labaran Maku speaks during a media briefing about the status of the Ebola disease control in Nigeria at the health minister's office in Abuja July 31, 2014. Ebola has killed 729 people in Liberia, Guinea, Sierra Leone and Nigeria, according to the World Health Organization. One died in Lagos, a city of 21 million people with some of Africa's worst sanitation and healthcare. REUTERS/Afolabi Sotunde (NIGERIA - Tags: POLITICS HEALTH HEADSHOT)
Nigeria's Health Minister Onyebuchi Chukwu speaks beside Minister of Information Labaran Maku during a media briefing about the status of the Ebola disease control in Nigeria at the health minister's office in Abuja
Nigeria's Health Minister Onyebuchi Chukwu (L) speaks beside Minister of Information Labaran Maku during a media briefing about the status of the Ebola disease control in Nigeria at the health minister's office in Abuja July 31, 2014. Ebola has killed 729 people in Liberia, Guinea, Sierra Leone and Nigeria, according to the World Health Organization. One died in Lagos, a city of 21 million people with some of Africa's worst sanitation and healthcare. REUTERS/Afolabi Sotunde (NIGERIA - Tags: POLITICS HEALTH)
A view of the road into Foresta, California which remains closed due to wildfire
A view of the road into Foresta, California which remains closed due to wildfire, July 31, 2014. The El Portal fire has scorched more than 3,000 acres since it erupted on Saturday, destroying a duplex home and threatening dozens of other dwellings around the western park boundary, a spokesman for the federal fire command said on July 29, 2014. REUTERS/Robert Galbraith (UNITED STATES - Tags: ENVIRONMENT TRANSPORT)