21.   It was only after the second child died that doctors checked the content of the bottle and found it contained the lethal material.

22.   Their bags were X-rayed and the contents were individually checked by dozens of government security agents.

23.   But police waited until the light of day before checking the contents of the trailer, the spokesman added.

24.   But they waited until the light of day before checking the contents of the trailer, the spokesman added.

25.   The multi-racial city-state recently unveiled a regulatory bulwark to curb access to smut and check content which could undermine political stability and religious harmony.