Several people were injured after two buses collided with each other on the Yamuna Expressway near Mathura in Uttar Pradesh early on Monday morning, news agency PTI reported.

News agency ANI reported that at least 40 people were injured in the accident that took place at the Mile Stone 110 Raya Cut in Mathura.

The accident occured around 3am when a bus on its way from Dholpur to Noida collided with another bus which was headed to Etawah to Noida. Low visibility due to fog is being said to be a contributing factor to the incident. Parts of north India remains engulfed in dense fog with reduced visibility

Officials said that 31 injured passengers were admitted to the district hospital, while nine other injured individuals were admitted to other hospitals.

This is a developing story. Please check back for updates.