Daisy McAndrew, who is stranded on a plane at Gatwick, said passengers had been "given no indication" of how long it would take to solve the air traffic control problem.
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The Prince and Princess will be treated to a petting zoo and a puppet show along with the children of local military families.
Andrew Patrick Saunders has been accused of murdering two people in Cardiff.
Senior lawyer Elizabeth Prochaska has left her position as junior counsel.