PITTSBURGH (KDKA) -- The Pittsburgh Zoo's popular sea lion Seahawk has died at age 18. The zoo said Seahawk, or Hawk, died suddenly on Friday, the day after their elephant calf Tsuni died.

A SOURCE WITH THE ZOO CONFIRMING TO PITTSBURGH’S ACTION NEWS FOUR THAT HAWK, THE SEA LION DIED TODAY. A CAUSE WAS NOT PROVIDED. YESTERDAY, THE ZOO ANNOUNCED THAT THE ELEPHANT CALF DIED.