evidence: New Delhi: A major accident took place today on the Hapur-Bulandshahr highway in Uttar Pradesh due to the prevailing foggy conditions in the state, police said. More than a dozen vehicles collided in a chain reaction amid dense fog that has shrouded the region. The accident took place in the Hafizpur Kotwali area of Hapur, approximately 86 km from the national capital. Videos of the accident show vehicles piled up on the highway. Several of the cars involved in the crash were severely damaged. Emergency services were quickly dispatched to rescue those injured in the crash. Police officials were also seen at the accident site, guiding traffic.