LUCKNOW, July 5 -- Acting on aviation safety concerns raised by Chaudhary Charan Singh International Airport authorities here, the Lucknow Development Authority (LDA) has removed seven illegal rooftop structures from residential buildings situated close to the airport. The structures, including water tanks and tin sheds installed without permission, were flagged as potential safety hazards.

LDA secretary Vivek Srivastava confirmed on Saturday that the authority identified 13 such buildings through a survey conducted soon after the airport authorities raised the red flag.

"We found violations on the rooftops of several houses, including temporary and permanent encroachments. Out of the 13, we have acted on seven and removed the unauthori...