1.   Sniffers were brought in to search bags at the airport.

2.   A railway spokesman, Gautam Banerjee, said the bomb went off when a police patrol stopped the man and wanted to search his bag.

3.   And some said they would search bags and ask for photo identification.

4.   As bags are searched, the line backs up and the hours tick by.

5.   Armed National Guard soldiers will patrol concourses, and in some instances help supervise baggage screeners and search bags.

6.   As is customary, the police will search bags and other items as people enter Times Square, the chief said.

7.   At the metal-detector station in the terminal, the guards had insisted on searching my bag, and started to giggle as they dug in.

8.   At the door, he searches bags, including those of exiting store managers.

9.   Bags were searched.

10.   Bags will be searched if a passenger answers in a way that raises suspicion.