1.   Also becoming more popular are backpacks on wheels, which children can pull as though they are rolling suitcases through an airport.

2.   Just after we arrive, Mike Walker rolls his suitcase down the ramp and bids me farewell.

3.   After an hour he emerged, accompanied by security agents with walkie talkies who rolled four suitcases out of the house and loaded them into a white van.

4.   Israeli security agents with walkie-talkies rolled four suitcases out of the house and loaded them into a white van.

5.   Israeli security agents with walkie talkies rolled four suitcases out of the house and loaded them into a white van.