Inmate caught two days after accomplice shot and killed.
Hundreds packed the South Carolina church amid tight security.
A 21-year-old white gunman is accused of killing nine people at an African-American church.
Several hundred soldiers may be deployed to bolster local forces.
Investigators probing whether the culprits were based in China.
Clash between rival gangs also results in 18 injuries.
The president hosted a summit for the Gulf Cooperation Council in hopes of bridging divide over Iran.
The Supreme Court ruled 5 to 4 in favor of gay marriage though the fight is far from over.
Governor calls for its removal from the state capitol's grounds.
Vigils held across U.S. for nine who died in South Carolina shootings.
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