Unlike many local councils, the Hartlepool by-election count will begin as soon as the elections are over.
Polls will close this evening at 10 p.m. across the UK in local elections – and at Hartlepool by-elections Election of a new MP.
The election results are expected to be announced on Friday morning between 4am and 6am.
Ref: https://www.manchestereveningnews.co.uk