1.   A patrol in the city centre was crossing a road when a small explosion occurred near a fence-post.

2.   Are there parking restrictions in the city centre?

3.   Both were piecemeal efforts, too far from the city centre, whose shops and businesses drive the local economy.

4.   Cars are prohibited in the city centre.

5.   Emergency services were on standby after someone called to say there was a bomb in the city centre.

6.   Five men were wounded by an unidentified gunman in Belfast city centre yesterday.

7.   Hundreds flooded the city centre last week for the raising of the outlawed Morning Star flag.

8.   I could see a silver helium airship over the city centre.