The Justice Department says a key participant in the deadly 2012 attack on the U.S. compound in Benghazi, Libya, has been taken into custody and will be prosecuted in Washington in connection with the rampage that killed four Americans and became a divisive political issue.

(AP Photo/Francois Mori, File)TRIPOLI – Libyans on Wednesday marked the 10th anniversary of their 2011 uprising that led to the overthrow and killing of longtime ruler Moammar Gadhafi. Many have their eyes on a recently appointed government tasked with leading Libya through elections later this year, with hopes of unifying the divided nation. Celebrations began late on Tuesday in the capital, Tripoli, where people gathered in the city's main square amid tight security. AdThere were also celebrations in the eastern city of Benghazi, once known as the birthplace of Libya’s 2011 uprising. AdLibya has become one of the most intractable conflicts, along with Yemen and Syria, left over from the 2011 uprisings.