Original sentence: In April 2009, the London Borough of Harrow voted unanimously at a full council meeting to support in principle, a light-rail service along this railway corridor (as part of a North and West London light railway)
Edited sentence: In April 2009, the London Borough of Harrow voted unanimously at a full council meeting to support in principle, a light-rail service along this railway corridor (as part of a North and West London Light railway)