1.   A controlled explosion was carried out by bomb squad officers.

2.   After a series of controlled explosions, the van was removed from the scene early yesterday.

3.   It was later destroyed in a controlled explosion.

4.   Local residents were evacuated in case there needed to be a controlled explosion.

5.   Police carried out several controlled explosions of suspect packages at the site.

6.   Police cleared the building and carried out a controlled explosion.