Reduced visibility due to dense fog was stated to be the reason behind the accident, police said.
"Pile-up of around a dozen vehicles took place early this morning on the Agra-Lucknow Expressway in Jogikot village under Bangarmau police station," said Additional Superintendent of Police Ambrish Bhadauria.
Around a dozen people have sustained injuries in the accident, he added.
"The injured persons were administered first aid at the community health centre in Bangarmau, and were subsequently sent home," he informed.
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