1.   Police are looking into the possibility that the bomb warning was a hoax.

2.   The bomb warning had a galvanic effect.

3.   There had been no bomb warning so consequently no evacuation of the factory had been possible.

4.   Bomb warnings have been given, suggesting IRA dissidents want to kill the peace process, not people.

5.   The Aintree incident came after hoax bomb warnings disrupted London railway services on Friday.

6.   Police evacuated Aintree racecourse and abandoned the entire Grand National meet Saturday after receiving a bomb warning.

7.   Police evacuated the entire main stand half an hour before the prestigious Grand National steeplechase was due to be run Saturday after receiving a bomb warning.

8.   A bomb exploded Tuesday in a Hong Kong branch of a Japanese retail chain that recently received two extortion threats and a bomb warning, police said.

9.   A small bomb exploded Tuesday in a Hong Kong branch of a Japanese retail chain that recently received two extortion threats and a bomb warning, police said.

10.   As the van neared the venue, the driver jumped out and shouted a bomb warning to police.