In the run up to the election on December the 12th, we're looking at three areas of the south where the contest is likely to be fiercely fought.
For tonight's constituency report we're in Portsmouth South. All three of the main parties have held the seat in recent years. It's now held by Labour with a majority of just over 1500.
Key to the result could be the Brexit Party - who are standing and the Green Party who aren't. Richard Jones reports.
The candidates for Portsmouth South are: