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  • Yellow smoke or gas was seen emanating from the blast site in Lijin on Tuesday morningWeibo
  • The details of the blast in Lijin has not been made public yet.Weibo
  • The impact of the explosion was felt in 50 km radius of the city.Weibo

Images shared by Chinese social media users on Weibo, a day after a massive blast ripped through the industrial park in Lijin Economic Development Zone in Dongying City of Shandong, shows yellow smoke emanating from the chemical factory.

The explosion at a chemical factory in Lijin on Monday night (31 August) at around 11.25pm killed at least five people, state news agency Xinhua --reported.

Chinese officials claimed they have launched an investigation into the cause of the blast and have arrested six executives of the company, which owns the factory, CTV News reported.

Read Thousands of Dead Fishes Wash Ashore Tianjin Lake Days After Warehouse Blasts

The images shared on Weibo were taken by the local residents on Tuesday morning (1 September). The pictures show a "mysterious" yellow smoke or gas rising from the blast site.

The Chinese officials have not offered any explanation on the incident yet.

The chemical plant where the blast took place is reportedly owned by Shandong Binyuan Chemical Co Ltd and is located in Lijin Binhai Economic and Technological Development Zone, 310 km from Tianjin port.

The Lijin chemical factory accident comes less than a month after a deadly explosion in the Tianjin port city, which killed over 150 people and injured nearly 800.

Environmental agencies are still monitoring the air and water quality in the city for the presence of highly toxic chemicals, including sodium cyanide and toluene diisocyanate.

Read China: Another Massive Explosion with 'Fireball' Rocks Chemical Industrial Zone in Lijin [Photos+Video]