The SNP’s Nicola Sturgeon, says that a vote for her party is a “vote to make Scotland’s voice heard” as well as more progressive politics at Westminster for everyone.
Last up to make an opening statement is Green party leader Natalie Bennett, who says that her party are the “real challengers”.
Nigel Farage saw the biggest spike in Twitter chatter as the debate began.
The UKIP leader was being mentioned more than 238 times a minute as he finished his opening remarks, higher than Ed Miliband at 123 tweets per minute (tpm), Nicola Sturgeon at 172 tpm, Natalie Bennett at 70 tpm and Leanne Wood at 37 tpm.
Leaders debate: Nigel Farage dominates opening statements on social media