The polls have closed in the Bexhill and Battle constituency and ballot boxes are arriving ready for the count at the De La Warr Pavilion.
The Observer team is in the DLWP and will be bringing you all the news throughout the night.
The result is expected to be declared at around 4am.
To follow the action as it unfolds, log on to Twitter and follow @laurabutton1
Meanwhile results are starting to come in from other parts of the UK.
As of 11.30pm this evening, Labour have won two seats - Sunderland Central and Houghton and Sunderland South.