WASHINGTON (WUSA) -- The giant panda cub died this morning after efforts to resuscitate him failed, Smithsonian's National Zoo officials informed.
At about 9:17 a.m. on Sunday panda keepers and volunteers heard distress cries from the mother panda, Mei Xiang, and veterinarians responded immediately.
The staff turned off the panda cam and retrieved the cub for evaluation at about 10:22 a.m. Veterinarians immediately performed CPR and other life-saving procedures but the cub did not respond.
The statement released by the zoo states that veterinarians found the cub in good body condition, there were no signs of trauma and no sign of infection.
Zoo officials say they are keeping Mei Xiang under close observation.
The cub was born on Sunday, Sept. 16.