The result of a vote on strike action by baggage handlers working at Stansted airport will be published today.
Any industrial action triggered by proposed pay cuts is set to take place over the Easter Bank Holiday.
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The twins cubs, which were born in June, have been named Bert and Ernie after characters from Sesame Street.
The two victims died from their injuries in hospital after the explosion in Hertfordshire.
Investigations are continuing into the cause of the crash in chigwell which killed both people on board.