Beijing, March 31 Four people were killed and nine others were injured following an explosion at a highway tunnel under construction in southwest China's Chongqing Municipality, local officials said on Tuesday.The blast occurred on Monday afternoon at a construction site for a section of the...
accident
casualties
china
chongqing
construction site
flammable gas
highway construction
hubei province
industrial accidents
investigation
rescue operations
sichuan province
transportcommission
tunnel explosion
wanzhou district