An investigation team has been established to look into the passenger train derailment in Chenzhou City of central China's Hunan Province, China Railway Guangzhou Group announced on Wednesday.

Investigation result will be made public once available, said the company.

A passenger train No. T179 derailed in Chenzhou City on March 30, killing one railway policeman and leaving 127 people injured.

The railway department expressed deep condolence to the policeman's death and apologized to the casualties and their families. Rescue and remedial work is underway.

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At least 1 killed after passenger train derails in central China's Hunan Province