India, March 21 -- Air India said on Friday that its flight operations from London's Heathrow had been temporarily suspended as the airport announced a closure until March 21 midnight due to a power outage caused by a fire at an electrical substation.

The carrier said in a statement, "Our operations to and from London Heathrow (LHR) have been disrupted following the temporary suspension of operations at the airport until 23h59 London time of 21 March, after a significant power outage."

Air India said London Heathrow-bound flight with number AI129 from Mumbai is returning to Mumbai and flight AI161 from Delhi is being diverted to Frankfurt.

"All our remaining flights to and from London Heathrow, including AI111 of this morning, have bee...