31.   A day earlier, investigators searching the luggage of suspected hijacker Mohamed Atta had found what appeared to be instructions for the suicide hijackers.

32.   Airline employees wearing white plastic gloves searched all luggage, and armed police guarded the check-in area.

33.   Airports have tightened security, with agents thoroughly searching luggage.

34.   Airline employees searched his luggage and discovered flight manuals, a stun gun and what the government said were Arab-language writings.

35.   Airline employees wearing white plastic gloves searched all luggage, and armed police formed a human wall around the check-in area.

36.   Chinese searched luggage, broke up some meetings and workshops, and tried to seize tapes or materials on controversial subjects.

37.   Luggage was also searched and passengers were interviewed, he said.

38.   Officers searched his luggage but found nothing suspicious.

39.   Officers searched his luggage, but found nothing suspicious.

40.   Other participants complained that police searched their luggage on the driveway outside their hotels and apartments, looking for forbidden political or religious materials.