According to reports, two pillars of the Cha-ukaghat-Lehertara flyover in Varanasi's cantonment area collapsed, burying several people, majority labourers and pass-ersby, under the debris.
Mr Adityanath has also announced financial assistance of five lakh rupees to next kin of each deceased and two lakhs rupees to each injured. The committee comprises Agriculture Production Commissioner (APC) Raj Pratap Singh, Irrigation Chief Engineer Bhupendra Sharma and Rajesh Mittal, the Managing Director of UP Jal Nigam, which shall probe the incident and submit a report within the next 48-hours.
Around 50 people are reported to be still trapped under the collapsed flyover and efforts are on to rescue them.
Varanasi is the parliamentary constituency of Prime Minister Narendra Modi. "I pray that the injured recover soon", Prime Minister, Narendra Modi, posted on Twitter. "The state government is monitoring the situation very closely and is working on the ground to assist the affected".
Police officials said a team of National Disaster Response Force (NDRF) has been rushed to the spot for rescue operations.
Speaking to ANI, the Chief Minister said, "I express grief over the incident, my condolence with the affected families".
President Ram Nath Kovind said- "Shocked to learn about the tragedy at flyover construction site in Varanasi". It is feared that almost a dozen laborers were working there, who were buried in the debris.
"There are deaths but it is too early to give the exact details".
NDRF gathers near crushed vehicles after a portion of an under-construction flyover collapsed, leaving at least 16 dead, in Varanasi.
Chief ministerYogi Adityanath has directed the district administration and PWD officials to take all necessary steps for rescue work, said a state government spokesperson.
The injured have been rushed to nearby hospital. "At least four cars, an auto-rickshaw and a minibus were crushed under it", they said.
India has a long history of construction accidents caused by poor materials and inadequately trained workers.