"We are trying to contact the aviation ministry to get clues about the chopper," said Superintendent of Police Mahendra Singh Chauhan, who is in charge of security at the site where Babri Mosque stands.
"The disputed site does not come under no-fly zone. The local administration has recommended for a no-fly zone, but the central government has not given the nod," Chauhan said.
Anup Kumar, a resident of Panji Tola adjacent to the disputed site, said, "At around 8:40 am, the helicopter flew just above the disputed structure.