New Delhi, Dec. 14 -- Dense smog shrouded Delhi-NCR on Sunday morning as AQI spiked to 'severe plus' category. As the toxic haze reduced visibility considerably, multiple vehicles involving buses, a truck, car and motorcycle crashed in succession.

In two major pile-ups, multiple vehicles were involved in a road accident on fog-hit highways in Haryana on 14 December, NDTV reported. With remarkably reduced visibility on roadways, drivers of motor vehicles struggled to navigate and ended up in a chain collision at Dhiktana Moda on National Highway 52.

At around 8:00 AM, two Haryana roadways buses, a dumper truck, a car and a motorcycle crashed in succession. The series of events ensued after a Kaithal roadways bus rammed into a dumper truc...