A Giant Panda at Washington's National Zoo gave birth to a cub today.
Mei Xiang gave birth to one cub at 5:32 p.m.
Mei gave birth to a cub in 2012, but it did not survive.
Zoo officials continue to monitor Mei to see if a second cub will be born.
A cub is born! First photo of the cub, born today at 5:32 p.m. pic.twitter.com/CcHkRGSgHe— National Zoo (@NationalZoo) August 23, 2013
VIDEO: Watch Mei give birth and hear the baby cub cry.