Opinion polls split over outcome of general election.

YouGov poll:

• Conservatives 33%
• Labour 33%,
• UKIP 13%
• Liberal Democrats 8%
• Greens 7%

Survation poll (quoted by The Independent):

• Labour 34%
• Conservatives 28%
• UKIP 19%
• Liberal Democrats 10%
• Greens 4%