The accident took place near the Jewar Toll plaza in Uttar Pradesh, some 77 km from Delhi.
Nearly 20 cars rammed each other on the Yamuna Expressway near Delhi today due to dense fog, reports news agency ANI.
The accident took place near the Jewar Toll plaza in Uttar Pradesh, some 77 km from Delhi. The 165-km long Yamuna Expressway connects Greater Noida to Agra.
Delhi and the National Capital Region woke up to dense fog this morning. Visibility at 5:30 am was less than 50 metres, but improved to 100 metres by 8:30 am.
Officials said a total of 20 Delhi-bound trains were delayed due to the fog.
According to the Met office, the minimum temperature in the city was recorded at 7.5 degrees Celsius today, average for the season.
"The sky will remain clear throughout the day with possibility of dense fog at few places," an official of the India Meteorological Department (IMD) said.
The maximum temperature is likely to hover around 20 degrees Celsius, the official said.