As the headline says:
Join the fastest growing grassroots and community led campaign fighting to keep the UK a thriving and leading member of Europe. Join the fight now
The account is @LDINtogether.
And here are some of its recent (re)tweets:
Picking up the theme I wrote about before, note the prevalence of Union Jacks* in the imagery on the Twitter timeline for @LDInTogether, by the way.
* Flag pedants beware. Iain Roberts in on your case.
UPDATE: With polling day now fixed, we also have the European referendum timetable, including the deadlines for postal votes.
UPDATE 2: With the referendum now over, things have moved on somewhat… and #FBPE is now a good place to look for the pro-European cause.