21.   But Greek authorities denied the existence of any such contract.

22.   But Greek authorities have been concerned about notebooks filled with plane numbers and other observations.

23.   But rough weather led Greek authorities to order the evacuation of the most vulnerable passengers.

24.   But Greek authorities will not take any additional measures to beef up security along the border this time.

25.   But the case was apparently reopened and Bianco was declared a fugitive, Greek authorities said.

26.   But the group had been confronted by Greek authorities on another three occasions during their trip while allegedly photographing Greek air bases around the country.

27.   But they often rely on Turkish smugglers who use flimsy, old vessels because of the danger of Greek authorities confiscating the boats if they intercept them.

28.   But when Zhusti eventually returned to Albania, Greek authorities allege, it was not to stage the play but to play middleman in a drug deal.

29.   But with gale force winds blowing in the area, Greek authorities decided to begin airlifting the most vulnerable passengers to safety, the merchant marine ministry said.

30.   By insulting the heir to the British throne, the Greek authorities have certainly not advanced their case.