Saudia #SV21 to New York declared an emergency due to woman giving birth on board

Cabin crew helped deliver baby as plane makes emergency landing at Heathrow

UPDATE 10:09 UTC Saudia #SV21 landed runway 27L at LHR due to medical emergency.

UPDATE 09:45 UTC Saudia #SV21 has medical emergency on board: woman giving birth.

UPDATE 09:43 UTC Saudia #SV21 is dumping fuel.

UPDATE 09:40 UTC Saudia #SV21 Boeing 777-300 to JFK is holding 33,000ft to London Heathrow.

UPDATE 09:35 UTC Saudia flight #SV21 to New York (JFK) is diverting.