Two young sisters in central China's Hunan Province have died after drinking poisoned coke, local police said Friday.

One of the girls was found lying dead on a countryside road in Jiebei township of Hengyang county at about 6:00 p.m. Wednesday. The other was reported dead at a local hospital half an hour later.

Local police is in hunt for the killer of the two, aged 8 and 14.

The tragedy follows the deaths of four siblings, aged between 5 and 13 after drinking pesticide Tuesday in a village in southwest China's Guizhou Province on Tuesday.