
Wounded churchgoers lie on the ground as Roman Catholic nuns run for cover after a blast at the St. Joseph Mfanyakazi Roman Catholic Church in Arusha, Tanzania Sunday, May 5, 2013. A Tanzanian police official says a woman died and over 40 people were seriously injured when a bomb exploded in the Roman Catholic Church in northern Tanzania, with eyewitnesses reporting that the bomb was thrown from a motorcycle. (Associated Press)

Wounded churchgoers lie on the ground as Roman Catholic nuns run for cover after a blast at the St. Joseph Mfanyakazi Roman Catholic Church in Arusha, Tanzania Sunday, May 5, 2013. A Tanzanian police official says a woman died and over 40 people were seriously injured when a bomb exploded in the Roman Catholic Church in northern Tanzania, with eyewitnesses reporting that the bomb was thrown from a motorcycle. (Associated Press)

A lion presented to President George W. Bush by Tanzanian President Jakaya Kikwete during Bush's trip to Africa in 2008 is seen on display at the George W. Bush Presidential Center Wednesday, 24, 2013, in Dallas. More than 8,000 people are expected to attend the invitation-only dedication of the center, Thursday, April 25, which will house the presidential library and museum along with the 43rd presidentÃs policy institute. It opens to the public on May 1. (AP Photo/David J. Phillip)

Associated Press Ethiopian Prime Minister Meles Zenawi, seen here speaking at the 20th World Economic Forum on Africa in May 2010 in Dar es Salaam, Tanzania, died Monday, after weeks of illness, Ethiopian state media reported. Mr. Meles, who took power in 1991, was 57..

Ethiopian Prime Minister Meles Zenawi, seen here speaking at the 20th World Economic Forum on Africa in May 2010 in Dar es Salaam, Tanzania, died Monday, after weeks of illness, Ethiopian state media reported. Mr. Meles, who took power in 1991, was 57. (Associated Press)

Ethiopian Prime Minister Meles Zenawi speaks during the 20th World Economic Forum on Africa in Dar es Salaam, Tanzania, in May 2010. (AP Photo/Khalfan Said)

Ethiopian Prime Minister Meles Zenawi speaks during the 20th World Economic Forum on Africa in Dar es Salaam, Tanzania, in May 2010. (AP Photo/Khalfan Said)

Tanzanian officials speak with survivors of an incident where more than forty people suffocated to death in a truck container near Chitego Forest, about 80 miles east of the capital Dodoma, in Tanzania. Tanzania lies on a smuggling route Africans use to travel to South Africa, where there are more economic opportunities. (Associated Press)

Tanzanian officials speak with survivors of an incident where more than forty people suffocated to death in a truck container near Chitego Forest, about 80 miles east of the capital Dodoma, in Tanzania. Tanzania lies on a smuggling route Africans use to travel to South Africa, where there are more economic opportunities. (Associated Press)