At least four persons were killed and 40 others injured today in multiple pile-up accidents along an expressway in Shanghai as heavy smog engulfed several cities in China. POOR VISIBILITYSeveral road accidents were reported along the S32 expressway in Pudong New Area due to heavy fog reducing visibility. ALSO READ: Delhi smog: CM announces emergency measures, schools shut for 3 days, work from home advisedHospitals in Pudong, Zhoupu and Shuguang cities received 44 people, Shanghai municipal health department said. Problems found by the inspections teams so far included weak emergency responses and inadequate countermeasures against heavy air pollution, suspected excessive discharge by 39 enterprises, and large-scale straw burning, the report said. ALSO READ: India to outpace China in air pollution death rate: US researchALSO READ: Delhi could take a leaf out of Shanghai's book after Chinese city banned fireworks to curb pollutionALSO WATCH

Source: India Today November 06, 2016 09:16 UTC