Update: Passengers in Shannon emergency landing describe 'pure chaos' after plane 'just dropped'

Update 5.05pm: An air-stewardess has been admitted to University Hospital Limerick having sustained injuries on board a United Airlines flight which plummeted hundreds of feet in mid-air over the Atlantic Ocean.

Eight adults and three children - including a two-year old girl, and a teenage girl and boy - were treated in hospital for head injuries, lacerations, and soft tissue damage.