Pakistan, Aug. 9 -- A Porter Airlines flight from Victoria, British Columbia, to Toronto was cancelled after a young child refused to sit in his seat and fasten his seat belt before take-off. Flight PD444 had already left the terminal and was preparing for departure when crew members noticed the child standing on his seat. Despite repeated efforts by flight attendants and the child's parents, he continued refusing to sit down. The aircraft therefore could not safely proceed with take-off.

Under aviation safety rules, passengers must remain seated and properly fasten their seat belts during take-off. Crew members spent considerable time trying to convince the child to follow the safety instructions, but their efforts were unsuccessful. Th...