India, Jan. 1 -- New Delhi

A nine-month-old white tiger cub at the Delhi Zoological Park died four days ago after contracting pneumonia preceded by limb fracture and bone-related complications, zoo director Sanjeet Kumar said on Wednesday.

Kumar said three female cubs were under treatment and observation since September, and one of them died.

"White tiger cub had both limb fracture and bone-related complications and died due to traumatic shock and acute pneumonia. As a precautionary measure to safeguard other cubs, samples have been sent to the lab for further investigation," he said.

Officials said the cubs under treatment suffered hind limb fractures while playing among themselves and that all three of them showed signs of deformity...