An emergency was declared at the Indira Gandhi Airport in Delhi after reports of a suspected fire in the engine of a Heathrow-bound plane, reports said.
It later emerged that the flight 747, a cargo plane was returned to the Delhi airport over a technical glitch.
Delhi Airport authorities on their official Twitter page said that the Cathay Pacific cargo plane returned back on technical grounds. There was "no fire," it said.
"It has landed and safely parked," the statement added. More Details awaited.