1.   The flood was caused by a blocked drain.

2.   He can clear blocked drains.

3.   After the storm hit Tuesday night, workers were called in to clear blocked drains that were flooding streets.

4.   Local authority complaints - from rubbish piles to blocked drains to filthy public toilets - have become a staple all over.

5.   Trucks and heavy equipment were moved to some areas to clear blocked drains.