Police in central China's Hunan Province have posted a hefty reward for information leading to the arrest of a serial killer, who is believed to be responsible for at least two murders in the provincial capital, Changsha.

Xiang Bo, spokesman of the Public Security Bureau in Changsha, said on Monday the bureau had offered a reward of up to 200,000 yuan (29,000 U.S. dollars) for information on the suspect's whereabouts.

He said the bureau had drafted an impression of the suspect's face based on footage from video monitors at a bank in downtown Changsha, where the suspect robbed a man of 45,000 yuan (6,600 U.S. dollars) and shot him dead with a handgun on Friday.

Xiang said the police believed the same man was responsible for another robbery and gun murder of another man in the city's Nanjiao Park on Oct. 14.

The police have described the man as stout, about 40 years old,1.7 meters high, with very short cropped hair.