Rescue work began soon after a tanker transporting liquefied natural gas (LNG) caught fire and exploded on an expressway in Wenling City in east China's Zhejiang Province on Saturday afternoon. /VCG

The blast sent the tank hurtling into a nearby workshop, causing a second explosion. /VCG

No obvious environmental pollution has been found, a local government official told a press conference on Sunday morning, adding that an investigation into the incident is underway. /VCG

As of Sunday morning, 19 people had died and 172 others hospitalized with injuries. /VCG