Reduced visibility due to dense fog led to a collision of multiple vehicles on the Yamuna Expressway in Greater Noida on Wednesday morning. Multiple people have been injured in the pile-up which took place around 8 am on the Agra to Noida lane of the expressway in the Dayanatpur area under the Jewar police station limits, news agency PTI reported.


"No person suffered fatal injury in the incident while the number of those injured was yet to be ascertained," Additional Deputy Commissioner of Police (Greater Noida) Ashok Kumar told PTI. He informed that traffic movement resumed on the expressway after most of the damaged vehicles were removed.


Ravi Kumar, an eyewitness told ANI, "The vehicle ahead of me suddenly applied the brake, due to which I hit the brake and then some three to four vehicles behind me also collided with each other."


Delhi has been battling a severe fog crisis since morning with viability nearing zero or under 50 metres in many parts. Several trains have been cancelled due to the issue and the operation of flights has also taken a hit. Delhi Airport also issued an advisory for the passengers in the morning.


The national capital and other parts of North India witnessed its worst fog of the season on Wednesday. In UP, six people lost their lives in various road collisions across the state due to the reduced visibility.


While two died in road accident in Bareilly district's Hafizganj, another man was killed and 15 were injured in Unnao in a pileup of buses due to the fog. In Baghpat, two women were killed and 11 others injured when their van was hit by a truck.


In Etawah, three people were hurt after a truck hit them on the Agra-Kanpur National Highway under the Jaswantnagar area of the district Wednesday morning. The incident took place when they were standing on the side of the road, police said.