XIAMEN - Evidence connected with the arsonist who started a fire in a bus in eastern China's Xiamen was released by the information office of the city's municipal government on Monday.

The fire killed 47 people and injured 34 others on June 7.

The office said an investigation launched by experts of the Ministry of Public Security and the provincial Public Security Department found that Chen Shuizong, a native of the city, carried petrol on to the BRT (bus rapid transit) bus on Friday.

Wreckage of a hand trolley and woven bag were found at the scene, and petrol was confirmed as an accelerant, the office said.

An investigation showed Chen bought the petrol from a store in Xiamen on June 5 and left his home with a hand trolley carrying a woven bag at around 4 pm on June 7. He then boarded the bus.

Several survivors said Chen started the fire when the bus was traveling from Jinshan station and Caitang station.

An investigation also indicated that two letters for Chen's wife and daughter found by Xiamen police in his house were written by him.

According to DNA tests, Chen died in the blaze.

Related stories:

8 missing students confirmed killed in Xiamen fire on bus

7 students die in fatal Xiamen bus fire

Suspected arsonist died in fatal bus fire

Suspect in fatal Xiamen bus blaze identified

China to launch?fire risk campaign