New Delhi: During the past 24 hours, casualties and injuries were reported from different road mishaps occurred in and around northern region. In Himachal Pradesh, three people were killed and nine others were injured after a tempo met an accident near Chauki Nallah in Rampur region of Shimla on Wednesday night.

In a separate road tragedy, several persons were injured after more than 20 vehicles piled up on Yamuna Expressway near Mathura due to dense fog on Thursday morning.

Days after bursting of firecrackers on Diwali, pollution in Delhi and NCR reached a “severe” level. Thick layer of smog covered several parts of the national capital region affecting visibility in the morning.