"A male Asiatic lion aged around 12 years died last evening in Keramba forest area in Dedakadi range of Gir (West) division," Dr Sandeep Kumar, Deputy conservator of forest wild life division Sasan-Gir said.
Lion's carcass was brought to the wildlife care center in Sasan this morning for post-mortem.
The post-mortem report said that the lion died of suppurative pneumonia, Kumar said.