Remain message: EU keeps us more secure.

Leave message: Expect mass immigration from new member states.

Cut through: Theresa May admits Britain could go it alone.

Leave social media count: 329,549 likes, 37,296 followers.

Remain social media count: 366,667 likes, 25,191 followers.

Odds: Remain 3/10 Leave 12/5

Latest poll: Remain 51%, Leave 40% (ComRes, phone). Poll of Polls is now Remain 54, Leave 46.